Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set: 33

Answer

$y=-1$

Work Step by Step

$-2y+5=7$ First subtract 5 from both sides. $-2y=7-5$ $-2y=2$ Then divide both sides by -2. -2y$\div$(-2)=2$\div$(-2) $y=-1$ Check the answer. -2(-1)+5=7 2+5=7 7=7
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