Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises - Page 92: 53



Work Step by Step

Using the information, make an equation. I will use variable x. Set it up by doing 45=x-20. Since 20 is negative, we must add 20 to both sides to isolate x. 45+20=x. X=65
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