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 2.2 - The Multiplication Property of Equality - Exercise Set: 10

Answer

z=-$\frac{9}{2}$

Work Step by Step

Divide both sides of the equation by 8 to isolate the variable. -36=8z 8z=-36 $\frac{8z}{8}$=-$\frac{36}{8}$ z=-$\frac{36}{8}=-\frac{36\div4}{8\div4}$ z=-$\frac{9}{2}$ Check the answer. 8(-$\frac{9}{2}$)=-36 -$\frac{8(9)}{2}$=-36 -$\frac{72}{2}$=-36 -36=-36
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