# How do you solve (x-3)/x=9/10?

Sep 8, 2016

$x = 30$

#### Explanation:

If you have an equation with one fraction on each side, then you can get rid of the denominators by cross-multiplying.

$10 \left(x - 3\right) = 9 x$

$10 x - 30 = 9 x$

$10 x - 9 x = 30$

$x = 30$