Question

A) 1
B)-28/27
C) -1
D) 2/7

Answer 1

Resposta:

D

Explicação passo-a-passo:

4/6 = x-4/x+1

2/3 = (x-4)/(x+1)

2(x+1) = 3(x-4)

2x+2 = 3x - 12

2x-3x = -12-2

-x = -14

x = 14