Answer
10
Work Step by Step
-3r + 6 + r
We are given that r = -2
To solve this expression, substitute r for -2.
-3(-2) + 6 + (-2)
Simplify:
6 + 6 - 2
12 - 2
= 10
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Standardized Test Prep - Page 100: 70
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