Question

Resolver a equação $\frac{3}{2} = \frac{5}{x} + \frac{1}{5}$

Answer 1

$\frac{3}{2} = \frac{5}{x} + \frac{1}{5} \\ \frac{3}{2} - \frac{1}{5} = \frac{5}{x} \\ \frac{15 - 2}{10} = \frac{5}{x} \\ \frac{13}{10} = \frac{5}{x} \\ 13x = 50 \\ x = \frac{50}{13}$

Answer 2

Vamos lá :

$\frac{3}{2} = \frac{5}{x} + \frac{1}{5}$
$- \frac{5}{x} = \frac{1}{5} - \frac{3}{2}$
$- \frac{5}{x} = \frac{1}{5} - \frac{3}{2} = \frac{2 - 15 }{10} = \frac{ - 13}{10}$
$- \frac{5}{x} = - \frac{ 13}{10} \times ( - 1)$
$\frac{5}{x} = \frac{13}{10}$
13x = 50
x = 50/13
x = 3,84

Espero que tenha ajudado.
Bons estudos.