Question

Como resolver essa equaçao?
x-5x/2 = 1.1/2

Answer 1

$\frac{x-5x}{2} = 1. \frac{1}{2}$
$\frac{-4x}{2} = 2$
-4x=2×2
-4x=4  × (-1)    ⇒  4x=-4
x= $\frac{-4}{4}$
x= -1

verif:
$\frac{-1-5.(-1)}{2} = 2$
$\frac{4}{2} = 2$
2=2 :)