Question

Determine o valor de x,sendo a//b//c.

Answer 1

$\frac{2x-2}{3x+1} = \frac{4}{2}$
4(3x+1) = 2(2x-2)
12x+4 = 4x-4
12x-4x = -4-4
8x = -8
x = $\frac{-8}{8}$
x= -1