Answer
$x-1=1$ , $x+2=4$
Work Step by Step
Equivalent expressions are the same equations, just manipulated to look different.
For example,
$x-1=1$
After adding 3 to both sides is,
$x+2=4$ but they both have the solution$x=2$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - Chapter Review - Page 61: 5
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