Question

como se resolve essa equaçao ? 2x -2 = 12 -5x

Answer 1

2x - 2 = 12 - 5x

2x + 5x = 12 + 2

7x = 14

x = 14/7

x = 2      Resposta.

Answer 2

2x - 2 = 12 - 5x

2x + 5x -2 - 12

7x - 14

x = 14 /7

x = 2