## Introductory Algebra for College Students (7th Edition)

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