Algebra 1

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

Chapter 4 - An Introduction to Functions - Get Ready - Page 231: 12



Work Step by Step

We need to get the x alone, so we cancel out the addition by subtracting 3 on both sides. This leaves us with the equation $5x=-15$. We cancel out multiplication by using division, so we divide both sides of the equation by 5 to get that $x=-3$. We plug -3 in for x and confirm that our answer is, indeed, correct.
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