Question

c) 3(x + 2) - 2(x + 3) + 6 = 0
d) 6x + 3(x + 1) – 7 = 2(2x – 1) – 4(1 – x)

Answer 1

Resposta:

c) -6

d) -2

Explicação passo-a-passo:

c) 3x + 6 - 2x - 6 + 6 = 0

3x - 2x = 0 - 6 + 6 - 6

x = -6

d) 6x + 3x + 3 - 7 = 4x - 2 - 4 + 4x

6x + 3x - 4x - 4x = -2 - 4 - 3 + 7

x = -2