3.x+y+z=4 - x=y+z=-2 2x -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
Chapter1: Introduction To Algebra
Section1.4: Translating Words Into Symbols
Problem 2MRE
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3. Solve the system by back substitution

3.x+y+z=4
-x-y+z=-2
2x - y + 2z=2
Transcribed Image Text:3.x+y+z=4 -x-y+z=-2 2x - y + 2z=2
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