Question

ME AJUDEM PF
7x/4 + 70=3x+20

Answer 1

Olá,

$\frac{7x}{4}+70=3x+20\\\\ \frac{7x}{4}-3x=20-70\\ \\ \frac{7x-12x}{4}=-50\\\\ -5x=-200\\ \boxed{\boxed{x= \frac{-200}{-5}=\boxed{40}}}$