# How do you solve \frac { 5} { 12} = \frac { 10 } { x - 1}?

Oct 15, 2017

$x = 25$

#### Explanation:

Cross multiply the equation.

$5 \left(x - 1\right) = 12 \left(10\right)$
$5 x - 5 = 120$
$5 x = 125$
$x = 25$