Question

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

Answer 1

Resposta:

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

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

5x + 1 = 4x + 8

5x - 4x = 8 -1

x = 7