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: 39

Answer

y=-310

Work Step by Step

Subtract 830 from both sides of the equation to isolate the variable. 830+y=520 y=520-830 y=-310 Check the answer. 830+(-310)=520 830-310=520 520=520
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