Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapters 1-5 Cumulative Review Problem Set: 45

Answer

{$-\frac{3}{7}$}

Work Step by Step

Using the distributive property to remove the parenthesis and then isolating the variable on one side of the equation, we obtain: $6x+8-4x=10(3x+2)$ $6x-4x+8=30x+20$ $2x+8=30x+20$ $2x-30x=20-8$ $-28x=12$ $x=-\frac{12}{28}=-\frac{6}{14}=-\frac{3}{7}$ Therefore, the solution set is {$-\frac{3}{7}$}.
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