Answer
$y=51$
Work Step by Step
Multiply both sides of the equation by -1 to isolate the variable.
$-51=-y$
$-y=-51$
$-y(-1)=-51(-1)$
$y=51$
Check the answer.
-51=-(51)
-51=-51
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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 - Page 130: 24
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