6) y= 5x-7 -3x - 2y =-12 -3x-2(5x-7): -12 8) -7x-2y=-13 x- 2y = 11 %3D

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
Chapter2: Working With Real Numbers
Section2.4: Subtracting Real Numbers
Problem 48WE
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Solve each system by substitution
6) y= 5x – 7
-3x - 2y = -12
-3x-2(5x-7)= -12
8) -7x- 2y =-13
x- 2y = 11
Transcribed Image Text:6) y= 5x – 7 -3x - 2y = -12 -3x-2(5x-7)= -12 8) -7x- 2y =-13 x- 2y = 11
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