## Elementary Algebra

Published by Cengage Learning

# Chapter 3 - Equations and Problem Solving - 3.4 - Equations Involving Parentheses and Fractional Forms - Problem Set 3.4 - Page 123: 27

x=16

#### Work Step by Step

The distributive property allows us to distribute anything multiplied by something inside of the parenthesis to whatever is inside of the parenthesis. Thus, we distribute the 3 to everything inside of the first set of parenthesis, the 4 to everything inside of the second set of parenthesis, and the 5 to everything in the third set of parenthesis, giving us the equation 3x+3+8x-4=10x+15. We now simplify: $11x-1=10x+15 \\\\ x-1=15 \\\\ x=16$

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