Homework Help is Here – Start Your Trial Now!
Math
Advanced Math
Spot the mistakes/error in solving the linear system , and then say something about it. Given : 2x + 5y – z = 27 x + y + z = 6 2у + 52 -4 Eliminate x from 2nd & 3rd equation (by addition) 2а + 5у — 2 %3D 27 | 2 (x + y + z = 6) Зу — З2 — 15 | And we get : x + y + z = 6 2у + 52 -4 Зу — 32 = 15 Eliminate y from 3rd and 4th equation (by subtraction) бу — 62 30 6y + 15z : -12 -21z = 42 Then : z = -2 And we end up with: X + y+ z =6 2y + 5z = 4 Z= -2 By back-substituting : X = 5; y= 3 and z = -2 %3D

Spot the mistakes/error in solving the linear system , and then say something about it. Given : 2x + 5y – z = 27 x + y + z = 6 2у + 52 -4 Eliminate x from 2nd & 3rd equation (by addition) 2а + 5у — 2 %3D 27 | 2 (x + y + z = 6) Зу — З2 — 15 | And we get : x + y + z = 6 2у + 52 -4 Зу — 32 = 15 Eliminate y from 3rd and 4th equation (by subtraction) бу — 62 30 6y + 15z : -12 -21z = 42 Then : z = -2 And we end up with: X + y+ z =6 2y + 5z = 4 Z= -2 By back-substituting : X = 5; y= 3 and z = -2 %3D

Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Systems Of Linear Equations
Section1.1: Introduction To Systems Of Linear Equations
Problem 90E: Consider the system of linear equations in x and y. ax+by=ecx+dy=f Under what conditions will the...
See similar textbooks
icon
Related questions
Question
Spot the mistakes/error in solving the linear system , and then say something about it. Given : 2а + 5y — 2 3D 27 x + y + z = 6 2у + 52 -4 Eliminate x from 2nd & 3rd equation (by addition) 2x + 5y – z = 27 2 (x + y+ z = 6) Зу — З2 — 15 | And we get : x + y + z = 6 2у + 52 -4 Зу — 32 = 15 Eliminate y from 3rd and 4th equation (by subtraction) бу — 62 30 бу + 152: –12 -21z = 42 Then : z = -2 And we end up with: x + y + z =6 2y + 5z = 4 Z= -2 By back-substituting : X = 5; y= 3 and z = -2 %3D
Transcribed Image Text:Spot the mistakes/error in solving the linear system , and then say something about it. Given : 2а + 5y — 2 3D 27 x + y + z = 6 2у + 52 -4 Eliminate x from 2nd & 3rd equation (by addition) 2x + 5y – z = 27 2 (x + y+ z = 6) Зу — З2 — 15 | And we get : x + y + z = 6 2у + 52 -4 Зу — 32 = 15 Eliminate y from 3rd and 4th equation (by subtraction) бу — 62 30 бу + 152: –12 -21z = 42 Then : z = -2 And we end up with: x + y + z =6 2y + 5z = 4 Z= -2 By back-substituting : X = 5; y= 3 and z = -2 %3D
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
SEE MORE TEXTBOOKS