Question

5- (4× + 2) = 8 + 2 (× - 1) quanto e?

Answer 1

Resposta:

Olá bom dia!

5- (4× + 2) = 8 + 2 (× - 1)

5 - 4x - 2 = 8 - 2x - 2

8 - 2x - 2 = 5 - 4x - 2

4x - 2x + 6 = 3

6x = -6 + 3

6x = - 3

x = -3/6

x = -1/2

S = { -1/2 }