Answer
solution
Work Step by Step
Plug in -4 for x and simplify to see if the equation is true or false.
2(x+3)-18=5x
2(-4+3)-18=5(-4)
2(-4)+2(3)-18=-20
-8+6-18=-20
-2-18=-20
-20=-20
This is a solution.
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 1 - Review Exercises - Page 110: 83
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