Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 10 - Review Exercises - Page 486: 24



Work Step by Step

To solve, we multiply each equation by a number that will make one of the variables cancel when the equations are added. Thus, we multiply the top equation by 1 and the bottom equation by -1 and add to find: $ 0 =-3x+ 3 \\ x=1$ We now solve for y: $y=4(1)=4$
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