Algebra 1: Common Core (15th Edition)

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

Chapter 3 - Solving Inequalities - Get Ready! - Page 161: 24

Answer

x=60

Work Step by Step

We find that $5 - x/3 = -15$. We need to get the x alone. Thus, we cancel out the addition by subtracting 5 on both sides. This leaves us with the equation $-x/3=-20$. In order to cancel out division, we use multiplication, so we multiply both sides by -3 to get that x=60. We plug 60 in for x and confirm that our answer is, indeed, correct.
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