Question

7 x menos 1 sobre 2 menos 2 x igual a 3

Answer 1

$\frac{7x - 1}{2 - 2x} = 3$

7x - 1 = 3*(2 - 2x)
7x - 1 = 6 - 6x
7x + 6x = 6 + 1
13x = 7
x = $\frac{7}{13}$