## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises - Page 98: 29

#### Answer

$r=9.75$

#### Work Step by Step

The quantity inside of the parenthesis is being multiplied by -4. Thus, we first divide by -4 to find that $15.75=r+6$. We need to get the r alone. Thus, we cancel out the addition by subtracting 6 on both sides. This gives us the answer: $r=9.75$. We plug 9.75 in for r to check the answer and find that it is, indeed, correct.

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