Answer
$y=-6$
Work Step by Step
$12=y-3y$ $\longrightarrow$combine like terms
$12=-2y$ $\longrightarrow$multiplication property
$12\div-2=-2y\div-2$ $\longrightarrow$divide
$-6=y$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Test - Page 207: 6
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