Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - 6.2 Linear Equations in One Variable and Proportions - Exercise Set 6.2: 9

Answer

{-3}

Work Step by Step

8x=-24 Step 1: Divide both the sides by 8 $\frac{8x}{8}$ = $\frac{-24}{8}$ Step 2: Simplify x= -3 Now we check the proposed solution, -3, by replacing x with -3 in the original equation. Step 1: the original equation 8x=-24 Step2: Substitute -3 for x 8.(-3) = -24 Step 3: Solve 8.(-3)=-24 -24 =-24 Since the check results in true statement, we conclude that the solution set of the given equation is {-3}.
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