Question

8x+10/5x=8-x/15x+1/5

Answer 1

Basta isolar a variável. Veja:

$8x + \frac{10}{5} x = 8 - \frac{x}{15x} + \frac{1}{5} \\ 8x + 2x = \frac{ \frac{1x}{15x} + \frac{1}{5} }{15} \\ 10x = 1x + 3 \\ 10x - x = 3 \\ x = \frac{3}{9} = \frac{1}{3}$
MMC de 15, 5 = 15