Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.1 - The Addition Property of Equality - Exercise Set - Page 120: 29


y= -$\frac{11}{20}$

Work Step by Step

Add $\frac{1}{5}$ to both sides of the equation to isolate the variable. -$\frac{1}{5}$+y=-$\frac{3}{4}$ y=-$\frac{3}{4}$+$\frac{1}{5}$ y=-$\frac{15}{20}$+$\frac{4}{20}$ y=-$\frac{11}{20}$ Check the answer. -$\frac{1}{5}$+(-$\frac{11}{20}$)=-$\frac{3}{4}$ -$\frac{4}{20}$-$\frac{11}{20}$=-$\frac{3}{4}$ -$\frac{15}{20}$=-$\frac{3}{4}$ -$\frac{3}{4}$=-$\frac{3}{4}$
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