Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-4 Solving Equations With Variables on Both Sides - Practice and Problem-Solving Exercises - Page 107: 45


2 months

Work Step by Step

Club 1's cost is represented by 50+65x. Club 2's cost is represented by 90+45x. X is the number of months. Set them equal to find out when the two costs will be equal. 50+65x=90+45x (subtract 45 from both sides) 50+20x=90 (subtract 50 from both sides) 20x=40 (divide both sides by 20 to isolate the variable) x=2 After 2 months, the costs will be equal.
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