Question

Se 3x= x-3/4+2
A) X = 0
B) X = 1/11
C) X = 5/11
D) X = -5/11

Answer 1

Olá,

3x = (x-3)/4+2
3x-2 = (x-3)/4
4·(3x-2) = x-3
12x-8 = x-3
12x-x = -3+8
11x = 5
x = 5/11

Resposta: c) 5/11

Answer 2

3x=x-3/4+2
3x-2=x-3/4
4*(3x-2)=x-3
12x-8=x-3
12x-x=-3+8
11x=5
x=5/11