Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

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



Work Step by Step

We start with the given equation: $-4(r+6)=-63$ We use the distributive property to expand the left side of the equation: $-4r-24=-63$ We add $24$ to both sides of the equation: $-4r-24+24=-63+24$ We combine like terms: $-4r=-39$ Finally, we divide by $-4$ on both sides of the equation: $r=\frac{-39}{-4}=9.75$
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