Question

a raiz da equação 3x/4=1-x/2

Answer 1

$\dfrac{3x}{4} =1- \dfrac{x}{2} \to~~mmc=4\\\\ 3x=4-2x\to \\\\ 3x+2x=4\to \\\\ 5x=4\to \\\\ \large\boxed{x= \frac{4}{5} ~~ou~~x=0,8}$