Explanation Given: The equations, 2 x + 3 y − z = 16 x − y + 3 z = − 9 5 x + 2 y − z = 15 Calculation: Consider the equation, 2 x + 3 y − z = 16 …… (1) x − y + 3 z = − 9 …… (2) And, 5 x + 2 y − z = 15 …… (3) Subtract equation (3) from equation (1), 2 x + 3 y − z − ( 5 x + 2 y − z ) = 16 − 15 2 x + 3 y − z − 5 x − 2 y + z = 1 Simplify furthermore, − 3 x + y = 1 …… (4) Multiply equation (1) by 3 and add withequation (2), 3 ( 2 x + 3 y − z ) + x − y + 3 z = 3 × 16 − 9 6 x + 9 y −

Intermediate Algebra plus MyLab Math -- Access Card Package (8th Edition) (Tobey Developmental Math Paperback Series)

8th Edition

ISBN: 9780134266398

Author: John Tobey Jr., Jeffrey Slater, Jamie Blair, Jenny Crawford

Publisher: PEARSON

See similar textbooks

Concept explainers

Domain

In simple mathematics terms, a domain is defined as the space on which all the possible inputs for the function will lie. It can also be expressed as a set of departures for the required function.

Videos

Question

Chapter 11, Problem 23PFE

To determine

To calculate: The value of x, y and z for the equations,

2x+3y−z=16x−y+3z=−95x+2y−z=15

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 11, Problem 22PFE

Chapter 11, Problem 24PFE

Chapter 11 Solutions

Intermediate Algebra plus MyLab Math -- Access Card Package (8th Edition) (Tobey Developmental Math Paperback Series)

Ch. 11.1 - Prob. 1E Ch. 11.1 - Prob. 2E Ch. 11.1 - Prob. 3E Ch. 11.1 - Prob. 4E Ch. 11.1 - Prob. 5E Ch. 11.1 - Prob. 6E Ch. 11.1 - Prob. 7E Ch. 11.1 - Prob. 8E Ch. 11.1 - Prob. 9E Ch. 11.1 - Prob. 10E

Ch. 11.1 - Prob. 11E Ch. 11.1 - Prob. 12E Ch. 11.1 - Prob. 13E Ch. 11.1 - Graph each function. f ( x ) = 2 x − 4 Ch. 11.1 - Prob. 15E Ch. 11.1 - Prob. 16E Ch. 11.1 - Prob. 17E Ch. 11.1 - Prob. 18E Ch. 11.1 - Prob. 19E Ch. 11.1 - Prob. 20E Ch. 11.1 - Prob. 21E Ch. 11.1 - Prob. 22E Ch. 11.1 - Prob. 23E Ch. 11.1 - Prob. 24E Ch. 11.1 - Prob. 25E Ch. 11.1 - Prob. 26E Ch. 11.1 - Prob. 27E Ch. 11.1 - Prob. 28E Ch. 11.1 - Prob. 29E Ch. 11.1 - Prob. 30E Ch. 11.1 - Prob. 31E Ch. 11.1 - Prob. 32E Ch. 11.1 - Prob. 33E Ch. 11.1 - Prob. 34E Ch. 11.1 - Prob. 35E Ch. 11.1 - Prob. 36E Ch. 11.1 - Prob. 37E Ch. 11.1 - Prob. 38E Ch. 11.1 - Prob. 39E Ch. 11.1 - Prob. 40E Ch. 11.1 - Prob. 41E Ch. 11.1 - Prob. 42E Ch. 11.1 - Prob. 43E Ch. 11.1 - Prob. 44E Ch. 11.1 - Prob. 45E Ch. 11.1 - Prob. 46E Ch. 11.1 - Use an exponential equation to solve each problem....Ch. 11.1 - Use an exponential equation to solve each problem....Ch. 11.1 - Prob. 49E Ch. 11.1 - Prob. 50E Ch. 11.1 - Prob. 51E Ch. 11.1 - Prob. 52E Ch. 11.1 - Prob. 53E Ch. 11.1 - Prob. 54E Ch. 11.1 - Prob. 55E Ch. 11.1 - World Population Since the year 1750, the...Ch. 11.1 - Prob. 57E Ch. 11.1 - Prob. 58E Ch. 11.1 - Prob. 1QQ Ch. 11.1 - Prob. 2QQ Ch. 11.1 - Prob. 3QQ Ch. 11.1 - Prob. 4QQ Ch. 11.2 - Prob. 1E Ch. 11.2 - Prob. 2E Ch. 11.2 - Verbal and Writing Skills, Exercises 1-4 In the...Ch. 11.2 - Prob. 4E Ch. 11.2 - Prob. 5E Ch. 11.2 - Prob. 6E Ch. 11.2 - Prob. 7E Ch. 11.2 - Prob. 8E Ch. 11.2 - Prob. 9E Ch. 11.2 - Prob. 10E Ch. 11.2 - Prob. 11E Ch. 11.2 - Prob. 12E Ch. 11.2 - Prob. 13E Ch. 11.2 - Prob. 14E Ch. 11.2 - Prob. 15E Ch. 11.2 - Prob. 16E Ch. 11.2 - Prob. 17E Ch. 11.2 - Prob. 18E Ch. 11.2 - Prob. 19E Ch. 11.2 - Prob. 20E Ch. 11.2 - Prob. 21E Ch. 11.2 - Prob. 22E Ch. 11.2 - Prob. 23E Ch. 11.2 - Prob. 24E Ch. 11.2 - Prob. 25E Ch. 11.2 - Prob. 26E Ch. 11.2 - Prob. 27E Ch. 11.2 - Prob. 28E Ch. 11.2 - Prob. 29E Ch. 11.2 - Prob. 30E Ch. 11.2 - Prob. 31E Ch. 11.2 - Prob. 32E Ch. 11.2 - Prob. 33E Ch. 11.2 - Prob. 34E Ch. 11.2 - Prob. 35E Ch. 11.2 - Prob. 36E Ch. 11.2 - Prob. 37E Ch. 11.2 - Prob. 38E Ch. 11.2 - Prob. 39E Ch. 11.2 - Prob. 40E Ch. 11.2 - Prob. 41E Ch. 11.2 - Prob. 42E Ch. 11.2 - Prob. 43E Ch. 11.2 - Prob. 44E Ch. 11.2 - Prob. 45E Ch. 11.2 - Prob. 46E Ch. 11.2 - Prob. 47E Ch. 11.2 - Prob. 48E Ch. 11.2 - Prob. 49E Ch. 11.2 - Prob. 50E Ch. 11.2 - Prob. 51E Ch. 11.2 - Prob. 52E Ch. 11.2 - Prob. 53E Ch. 11.2 - Prob. 54E Ch. 11.2 - Prob. 55E Ch. 11.2 - Prob. 56E Ch. 11.2 - Prob. 57E Ch. 11.2 - Prob. 58E Ch. 11.2 - Prob. 59E Ch. 11.2 - Prob. 60E Ch. 11.2 - Prob. 61E Ch. 11.2 - Prob. 62E Ch. 11.2 - On one coordinate plane, graph the function f and...Ch. 11.2 - Prob. 64E Ch. 11.2 - Prob. 65E Ch. 11.2 - Prob. 66E Ch. 11.2 - Prob. 67E Ch. 11.2 - Prob. 68E Ch. 11.2 - Prob. 69E Ch. 11.2 - Prob. 70E Ch. 11.2 - Prob. 71E Ch. 11.2 - Prob. 72E Ch. 11.2 - Prob. 73E Ch. 11.2 - Prob. 74E Ch. 11.2 - Prob. 75E Ch. 11.2 - Cumulative Review [3.2.1] Find the slope of the...Ch. 11.2 - Cumulative Review [11.1.3] Viral Culture The...Ch. 11.2 - Prob. 78E Ch. 11.2 - Prob. 1QQ Ch. 11.2 - Prob. 2QQ Ch. 11.2 - 3. Solve for w. Ch. 11.2 - Prob. 4QQ Ch. 11.3 - Express as a sum of logarithms. log 3 A B Ch. 11.3 - Prob. 2E Ch. 11.3 - Prob. 3E Ch. 11.3 - Prob. 4E Ch. 11.3 - Prob. 5E Ch. 11.3 - Prob. 6E Ch. 11.3 - Prob. 7E Ch. 11.3 - Prob. 8E Ch. 11.3 - Prob. 9E Ch. 11.3 - Prob. 10E Ch. 11.3 - Prob. 11E Ch. 11.3 - Prob. 12E Ch. 11.3 - Prob. 13E Ch. 11.3 - Prob. 14E Ch. 11.3 - Prob. 15E Ch. 11.3 - Prob. 16E Ch. 11.3 - Prob. 17E Ch. 11.3 - Prob. 18E Ch. 11.3 - Prob. 19E Ch. 11.3 - Prob. 20E Ch. 11.3 - Prob. 21E Ch. 11.3 - Prob. 22E Ch. 11.3 - Prob. 23E Ch. 11.3 - Prob. 24E Ch. 11.3 - Prob. 25E Ch. 11.3 - Prob. 26E Ch. 11.3 - Prob. 27E Ch. 11.3 - Prob. 28E Ch. 11.3 - Prob. 29E Ch. 11.3 - Prob. 30E Ch. 11.3 - Prob. 31E Ch. 11.3 - Prob. 32E Ch. 11.3 - Prob. 33E Ch. 11.3 - Prob. 34E Ch. 11.3 - Prob. 35E Ch. 11.3 - Prob. 36E Ch. 11.3 - Prob. 37E Ch. 11.3 - Prob. 38E Ch. 11.3 - Prob. 39E Ch. 11.3 - Prob. 40E Ch. 11.3 - Prob. 41E Ch. 11.3 - Prob. 42E Ch. 11.3 - Prob. 43E Ch. 11.3 - Prob. 44E Ch. 11.3 - Prob. 45E Ch. 11.3 - Prob. 46E Ch. 11.3 - Prob. 47E Ch. 11.3 - Prob. 48E Ch. 11.3 - Prob. 49E Ch. 11.3 - Prob. 50E Ch. 11.3 - Prob. 51E Ch. 11.3 - Prob. 52E Ch. 11.3 - Prob. 53E Ch. 11.3 - Prob. 54E Ch. 11.3 - Prob. 55E Ch. 11.3 - Prob. 56E Ch. 11.3 - Prob. 57E Ch. 11.3 - Prob. 58E Ch. 11.3 - Prob. 59E Ch. 11.3 - Prob. 60E Ch. 11.3 - Prob. 61E Ch. 11.3 - Prob. 62E Ch. 11.3 - Prob. 63E Ch. 11.3 - Prob. 64E Ch. 11.3 - Prob. 65E Ch. 11.3 - Prob. 66E Ch. 11.3 - Prob. 1QQ Ch. 11.3 - Prob. 2QQ Ch. 11.3 - Prob. 3QQ Ch. 11.3 - Prob. 4QQ Ch. 11.4 - Prob. 1E Ch. 11.4 - Prob. 2E Ch. 11.4 - Prob. 3E Ch. 11.4 - Prob. 4E Ch. 11.4 - Prob. 5E Ch. 11.4 - Prob. 6E Ch. 11.4 - Prob. 7E Ch. 11.4 - Prob. 8E Ch. 11.4 - Prob. 9E Ch. 11.4 - Prob. 10E Ch. 11.4 - Prob. 11E Ch. 11.4 - Prob. 12E Ch. 11.4 - Prob. 13E Ch. 11.4 - Prob. 14E Ch. 11.4 - Prob. 15E Ch. 11.4 - Prob. 16E Ch. 11.4 - Prob. 17E Ch. 11.4 - Prob. 18E Ch. 11.4 - Prob. 19E Ch. 11.4 - Prob. 20E Ch. 11.4 - Prob. 21E Ch. 11.4 - Prob. 22E Ch. 11.4 - Find an approximate value for x using a scientific...Ch. 11.4 - Find an approximate value for x using a scientific...Ch. 11.4 - Approximate the following with a scientific...Ch. 11.4 - Prob. 26E Ch. 11.4 - Prob. 27E Ch. 11.4 - Prob. 28E Ch. 11.4 - Prob. 29E Ch. 11.4 - Prob. 30E Ch. 11.4 - Prob. 31E Ch. 11.4 - Prob. 32E Ch. 11.4 - Approximate the following with a scientific...Ch. 11.4 - Prob. 34E Ch. 11.4 - Approximate the following with a scientific...Ch. 11.4 - Approximate the following with a scientific...Ch. 11.4 - Prob. 37E Ch. 11.4 - Prob. 38E Ch. 11.4 - Prob. 39E Ch. 11.4 - Prob. 40E Ch. 11.4 - Prob. 41E Ch. 11.4 - Prob. 42E Ch. 11.4 - Prob. 43E Ch. 11.4 - Prob. 44E Ch. 11.4 - Prob. 45E Ch. 11.4 - Prob. 46E Ch. 11.4 - Prob. 47E Ch. 11.4 - Prob. 48E Ch. 11.4 - Prob. 49E Ch. 11.4 - Prob. 50E Ch. 11.4 - Prob. 51E Ch. 11.4 - Use a scientific calculator or a graphing...Ch. 11.4 - Prob. 53E Ch. 11.4 - Prob. 54E Ch. 11.4 - Prob. 55E Ch. 11.4 - Prob. 56E Ch. 11.4 - Prob. 57E Ch. 11.4 - Prob. 58E Ch. 11.4 - Prob. 59E Ch. 11.4 - Prob. 60E Ch. 11.4 - Prob. 61E Ch. 11.4 - Prob. 62E Ch. 11.4 - Prob. 63E Ch. 11.4 - Prob. 64E Ch. 11.4 - Prob. 65E Ch. 11.4 - Prob. 66E Ch. 11.4 - Prob. 67E Ch. 11.4 - Prob. 68E Ch. 11.4 - Prob. 69E Ch. 11.4 - Prob. 70E Ch. 11.4 - Prob. 71E Ch. 11.4 - Prob. 72E Ch. 11.4 - Prob. 73E Ch. 11.4 - Prob. 74E Ch. 11.4 - Prob. 75E Ch. 11.4 - Prob. 76E Ch. 11.4 - Prob. 77E Ch. 11.4 - Prob. 78E Ch. 11.4 - Prob. 79E Ch. 11.4 - Prob. 80E Ch. 11.4 - Prob. 81E Ch. 11.4 - Prob. 82E Ch. 11.4 - Prob. 1QQ Ch. 11.4 - Prob. 2QQ Ch. 11.4 - Prob. 3QQ Ch. 11.4 - Prob. 4QQ Ch. 11.5 - Prob. 1E Ch. 11.5 - Prob. 2E Ch. 11.5 - Prob. 3E Ch. 11.5 - Prob. 4E Ch. 11.5 - Prob. 5E Ch. 11.5 - Prob. 6E Ch. 11.5 - Prob. 7E Ch. 11.5 - Prob. 8E Ch. 11.5 - Prob. 9E Ch. 11.5 - Prob. 10E Ch. 11.5 - Prob. 11E Ch. 11.5 - Prob. 12E Ch. 11.5 - Prob. 13E Ch. 11.5 - Prob. 14E Ch. 11.5 - Prob. 15E Ch. 11.5 - Prob. 16E Ch. 11.5 - Prob. 17E Ch. 11.5 - Prob. 18E Ch. 11.5 - Prob. 19E Ch. 11.5 - Prob. 20E Ch. 11.5 - Prob. 21E Ch. 11.5 - Prob. 22E Ch. 11.5 - Prob. 23E Ch. 11.5 - Prob. 24E Ch. 11.5 - Prob. 25E Ch. 11.5 - Prob. 26E Ch. 11.5 - Prob. 27E Ch. 11.5 - Prob. 28E Ch. 11.5 - Prob. 29E Ch. 11.5 - Prob. 30E Ch. 11.5 - Prob. 31E Ch. 11.5 - Prob. 32E Ch. 11.5 - Prob. 33E Ch. 11.5 - Prob. 34E Ch. 11.5 - Financial Planner One part of the job of a...Ch. 11.5 - Prob. 36E Ch. 11.5 - Prob. 37E Ch. 11.5 - Prob. 38E Ch. 11.5 - Financial Planner One part of the job of a...Ch. 11.5 - Prob. 40E Ch. 11.5 - Prob. 41E Ch. 11.5 - Prob. 42E Ch. 11.5 - Prob. 43E Ch. 11.5 - Prob. 44E Ch. 11.5 - Prob. 45E Ch. 11.5 - Prob. 46E Ch. 11.5 - Prob. 47E Ch. 11.5 - Prob. 48E Ch. 11.5 - Prob. 49E Ch. 11.5 - Prob. 50E Ch. 11.5 - Prob. 51E Ch. 11.5 - Prob. 52E Ch. 11.5 - Prob. 53E Ch. 11.5 - Prob. 54E Ch. 11.5 - Prob. 55E Ch. 11.5 - Prob. 56E Ch. 11.5 - Prob. 57E Ch. 11.5 - Prob. 58E Ch. 11.5 - Prob. 59E Ch. 11.5 - Prob. 60E Ch. 11.5 - Prob. 61E Ch. 11.5 - Prob. 62E Ch. 11.5 - Prob. 1QQ Ch. 11.5 - Prob. 2QQ Ch. 11.5 - Prob. 3QQ Ch. 11.5 - Prob. 4QQ Ch. 11 - Prob. 1RP Ch. 11 - Prob. 2RP Ch. 11 - Prob. 3RP Ch. 11 - Prob. 4RP Ch. 11 - Prob. 5RP Ch. 11 - Prob. 6RP Ch. 11 - Prob. 7RP Ch. 11 - Prob. 8RP Ch. 11 - Prob. 9RP Ch. 11 - Prob. 10RP Ch. 11 - Prob. 11RP Ch. 11 - Prob. 12RP Ch. 11 - Prob. 13RP Ch. 11 - Prob. 14RP Ch. 11 - Prob. 15RP Ch. 11 - Prob. 16RP Ch. 11 - Prob. 17RP Ch. 11 - Prob. 18RP Ch. 11 - Prob. 19RP Ch. 11 - Prob. 20RP Ch. 11 - Prob. 21RP Ch. 11 - Prob. 22RP Ch. 11 - Prob. 23RP Ch. 11 - Prob. 24RP Ch. 11 - Prob. 25RP Ch. 11 - Prob. 26RP Ch. 11 - Prob. 27RP Ch. 11 - Prob. 28RP Ch. 11 - Prob. 29RP Ch. 11 - Prob. 30RP Ch. 11 - Prob. 31RP Ch. 11 - Prob. 32RP Ch. 11 - Prob. 33RP Ch. 11 - Prob. 34RP Ch. 11 - Prob. 35RP Ch. 11 - Prob. 36RP Ch. 11 - Prob. 37RP Ch. 11 - Prob. 38RP Ch. 11 - Prob. 39RP Ch. 11 - Prob. 40RP Ch. 11 - Prob. 41RP Ch. 11 - Prob. 42RP Ch. 11 - Prob. 43RP Ch. 11 - Prob. 44RP Ch. 11 - Prob. 45RP Ch. 11 - Prob. 46RP Ch. 11 - Prob. 1T Ch. 11 - Prob. 2T Ch. 11 - Prob. 3T Ch. 11 - Prob. 4T Ch. 11 - Prob. 5T Ch. 11 - Prob. 6T Ch. 11 - Prob. 7T Ch. 11 - Prob. 8T Ch. 11 - Prob. 9T Ch. 11 - Prob. 10T Ch. 11 - Prob. 11T Ch. 11 - Prob. 12T Ch. 11 - Prob. 13T Ch. 11 - Prob. 14T Ch. 11 - Prob. 15T Ch. 11 - Prob. 16T Ch. 11 - Prob. 17T Ch. 11 - Prob. 1PFE Ch. 11 - Prob. 2PFE Ch. 11 - Prob. 3PFE Ch. 11 - Prob. 4PFE Ch. 11 - Prob. 5PFE Ch. 11 - Prob. 6PFE Ch. 11 - Prob. 7PFE Ch. 11 - Prob. 8PFE Ch. 11 - Prob. 9PFE Ch. 11 - Review Chapters 1-11 and then try to solve the...Ch. 11 - Prob. 11PFE Ch. 11 - Prob. 12PFE Ch. 11 - Prob. 13PFE Ch. 11 - Prob. 14PFE Ch. 11 - Prob. 15PFE Ch. 11 - Prob. 16PFE Ch. 11 - Prob. 17PFE Ch. 11 - Prob. 18PFE Ch. 11 - Prob. 19PFE Ch. 11 - Prob. 20PFE Ch. 11 - Prob. 21PFE Ch. 11 - Prob. 22PFE Ch. 11 - Prob. 23PFE Ch. 11 - Prob. 24PFE Ch. 11 - Prob. 25PFE Ch. 11 - Prob. 26PFE Ch. 11 - Prob. 27PFE Ch. 11 - Prob. 28PFE Ch. 11 - Prob. 29PFE Ch. 11 - Prob. 30PFE Ch. 11 - Prob. 31PFE Ch. 11 - Prob. 32PFE Ch. 11 - Prob. 33PFE Ch. 11 - Prob. 34PFE Ch. 11 - Prob. 35PFE Ch. 11 - Prob. 36PFE Ch. 11 - Prob. 37PFE Ch. 11 - Prob. 38PFE Ch. 11 - Prob. 39PFE Ch. 11 - Prob. 40PFE Ch. 11 - Prob. 41PFE Ch. 11 - Prob. 42PFE Ch. 11 - Prob. 43PFE Ch. 11 - Prob. 44PFE Ch. 11 - Prob. 45PFE Ch. 11 - Prob. 46PFE Ch. 11 - Prob. 47PFE Ch. 11 - Prob. 48PFE Ch. 11 - Prob. 49PFE Ch. 11 - Prob. 50PFE Ch. 11 - Prob. 51PFE Ch. 11 - Prob. 52PFE Ch. 11 - Prob. 53PFE Ch. 11 - Prob. 54PFE Ch. 11 - Prob. 55PFE Ch. 11 - Prob. 56PFE Ch. 11 - Prob. 57PFE Ch. 11 - Prob. 58PFE Ch. 11 - Prob. 59PFE Ch. 11 - Prob. 60PFE Ch. 11 - Prob. 61PFE Ch. 11 - Prob. 62PFE Ch. 11 - Prob. 63PFE Ch. 11 - Prob. 64PFE

Knowledge Booster

$Algebra$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.

The value of x , y and z for the equations, 2 x + 3 y − z = 16 x − y + 3 z = − 9 5 x + 2 y − z = 15

Solution Summary: The author explains how to calculate the value of x, y, and z for the equations.

Concept explainers

Videos

To calculate: The value of x, y and z for the equations,

2x+3y−z=16x−y+3z=−95x+2y−z=15

Want to see the full answer?

Chapter 11 Solutions

The value of x , y and z for the equations, 2 x + 3 y − z = 16 x − y + 3 z = − 9 5 x + 2 y − z = 15

Solution Summary: The author explains how to calculate the value of x, y, and z for the equations.

Concept explainers

Videos

To calculate: The value of x, y and z for the equations, 2x+3y−z=16x−y+3z=−95x+2y−z=15

Want to see the full answer?

Chapter 11 Solutions

To calculate: The value of x, y and z for the equations,

2x+3y−z=16x−y+3z=−95x+2y−z=15