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

$x=6$
$2x-3=9$ First add 3 to both sides. $2x=9+3$ $2x=12$ Then divide both sides by 2. 2x$\div$2=12$\div$2 $x=6$ Check the answer. 2(6)-3=9 12-3=9 9=9