Question

9 (CFS) (x - 5)/3 = (x-1)/5, o valor de x é:
(A) 11
(B) 12
(C) 13
(D) 10
(E) 14
​

Answer 1

Resposta:

X- 5 / 3 = X - 1 / 5

3x - 3 = 5x - 25

3x - 5x = - 25 + 3

- 2x = - 22

X = 22 / 2

X = 11