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: 30



Work Step by Step

We start with the given equation: $\frac{b}{13}-\frac{3b}{13}=\frac{8}{13}$ We multiply both sides by a common denominator, $13$, to clear the fractions from the equation: $13(\frac{b}{13}-\frac{3b}{13})=13(\frac{8}{13})$ $b-3b=8$ We combine like terms: $-2b=8$ We divide by $-2$ on both sides of the equation: $b=8/-2=-4$
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