Algebra 2 Common Core

by Hall, Prentice

Published by Prentice Hall

ISBN 10: 0133186024

ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-4 Solving Equations - Practice and Problem-Solving Exercises - Page 30: 23

Answer

x = -6

Work Step by Step

Our goal is to isolate x. To accomplish this we will first distribute. Remember to keep track of the negative: 2-3(x+4) = 8 2-3x-12 = 8 -3x-10 = 8 We will then isolate x by adding 10 to both sides and then dividing by -3: -3x-10 = 8 -3x = 18 x = -6

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