Question

If you have x, and your equation is 5/8x + 1/5x=99, what is x

Answer 1

$\frac{5}{8x} + \frac{1}{5x} = 99 \\ \\ \frac{33}{40x} = 99 \\ \\ 40x = 33 \times 99 \\ \\ x = 81.675$