#### Answer

-5

#### Work Step by Step

$-3y=15$ $\longrightarrow$multiplication property
$-3y\div-3=15\div-3$ $\longrightarrow$divide
$x=-5$
When the dividend is positive and divisor is negative, the quotient is negative.

Published by
Pearson

ISBN 10:
0321955048

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

-5

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