Answer
$y=5$
Work Step by Step
$6y-7y=100-105$ $\longrightarrow$combine like terms
$-y=-5$ $\longrightarrow$multiplication property
$-y\times-1=-5\times-1$ $\longrightarrow$simplify
$y=5$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Review - Page 204: 31
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