Answer
Answer B
Work Step by Step
Given: $3(r-1)=-2(r+7)+1$
Distribute:
$3r-3=-2r-14+1$
Simplify:
$5r=-10$
$r=-2$
The answer is B.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.4 Rewrite Equations and Formulas - 1.4 Exercises - Mixed Review - Page 32: 42
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