Question

Alguém pode me ajudar plis

Answer 1

$\frac{3x}{7}-5=x-\frac{3}{7}$

$\frac{3x}{7}-\frac{35}{7}=\frac{7x}{7}-\frac{3}{7}$

$\frac{3x-35}{7}=\frac{7x-3}{7}$

$3x-35=7x-3$

$3x-7x=-3+35$

$-4x=32$

$4x=-32$

$x=-\frac{32}{4}$

$x=-8$