#### 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
$y=5$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$y=5$

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