Question

c) x - 3 = - 2x + 9 d) x / 2 = - 1

Answer 1

Resposta:

×3_=3_2×+9d)×2=_1 e igual a 18

Answer 2

Resposta:

C) x - 3 = -2x + 9

2x + x = 9 + 3

3x = 12

x = 12/3

x = 4

D) x/2 = -1

x = (-1).2

x = -2