Answer
$y$
Work Step by Step
Start with expression: $\frac{1}{2}(2y)+[(-7x)+7x]$.
Divide $2y$ by $2$ to simplify the first term: $y+[(-7x)+7x]$.
Use additive inverse property to simplify inside brackets: $y+[0]$.
Simplify for answer: $y$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 18: 102
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