Answer
x=$\triangle$-$\square$
Work Step by Step
2x+$\triangle$=3x+$\square$
First subtract 2x from both sides
$\triangle$=3x-2x+$\square$
$\triangle$=x+$\square$
$\triangle$-$\square$=x
x=$\triangle$-$\square$
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 2.1 - The Addition Property of Equality - Exercise Set - Page 120: 57
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