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

$x=-5$
$2x-12x=50$ First combine the like terms. $(2-12)x=-10x=50$ Then divide both sides by -10. $\frac{-10x}{-10}$=$\frac{50}{-10}$ $x=-5$ Check the answer. 2(-5)-12(-5)=50 -10-(-60)=50 -10+60=50 50=50