Question

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

Answer 1

`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(x-3) = 9x`

`10x -30 = 9x`

`10x-9x = 30`

`x = 30`