Answer
$z=3$
Work Step by Step
$2z=-4z+18$
First add 4z to both sides.
$2z+4z=18$
$6z=18$
Then divide both sides by 6.
6z$\div$6=18$\div$6
$z=3$
Check the answer.
2(3)=-4(3)+18
6=-12+18
6=6
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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 - Page 130: 44
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