Question

Galeeeeeeraaa , ajudem por favor

Answer 1

Olá,

1 - (x-1)/2 = x - (x+2)/3
(2-(x-1))/2 = (3x-(x+2))/3
(2-x+1)/2 = (3x-x-2)/3
(3-x)/2 = (2x-2)/3
3(3-x) = 2(2x-2)
9-3x = 4x-4
-3x-4x = -4-9
-7x = -13
x = -13/-7
x = 13/7

Resposta:

c)