Answer
$y=-9$
Work Step by Step
Divide both sides of the equation by -7 to isolate the variable.
$-7y=63$
$\frac{-7y}{-7}$=$\frac{63}{-7}$
$y=-9$
Check the answer.
-7(-9)=63
63=63
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: 7
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