Solve the following systems of simultaneous equations: 1. y = 4x − 1; y = 2x + 1. 2. 2x + 3y = 5; 5x − 2y = −16. 3. 2x + 2y − 5z = −5; x − y + z = 3; −3x + y + 2z = −2.
Solve the following systems of simultaneous equations: 1. y = 4x − 1; y = 2x + 1. 2. 2x + 3y = 5; 5x − 2y = −16. 3. 2x + 2y − 5z = −5; x − y + z = 3; −3x + y + 2z = −2.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.1: The Graphing Method
Problem 9OE
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Question 1
Solve the following systems of simultaneous equations:
1. y = 4x − 1; y = 2x + 1.
2. 2x + 3y = 5; 5x − 2y = −16.
3. 2x + 2y − 5z = −5; x − y + z = 3; −3x + y + 2z = −2.
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