Answer
$t=-2$
Work Step by Step
$10=7t-12t\rightarrow$ combine like terms
$10=-5t\rightarrow$ divide both sides by -5
$10\div-5=-5t\div-5\rightarrow$ simplify
$-2=t$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Exercise Set - Page 180: 57
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