# Chapter 2 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 18

$x=12$

#### Work Step by Step

$3(x+2)=x+30$ $3x+6=x+30$ $3x-x+6=30$ $2x+6=30$ $2x=30-6$ $2x=24$ $x=\frac{24}{2}$ $x=12$ Check the answer. 3(12+2)=(12)+30 3(14)=42 42=42

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