Answer
The values are x=-4 and y=-5
Work Step by Step
To solve
2x - y = -3
(x - y = 1 )$\times$ -1
2x - y = -3
-x +y = -1. --> add the two equations
x = -3-1
x = -4
To solve for y
2(-4)-y =-3
-8 -y =-3
-y = -3+8
-y = 5
y =-5
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-2 Multiplying Powers With the Same Base - Practice and Problem-Solving Exercises - Page 431: 60
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