# How do you solve for x: 3 - x =12 (x - 1)?

Mar 13, 2018

color(magenta)(x=15/13

#### Explanation:

$3 - x = 12 \left(x - 1\right)$

$3 - x = 12 x - 12$

$12 x + x = 3 + 12$

$13 x = 15$

color(magenta)(x=15/13

~Hope this helps! :)