Question

8)Resolva as equações: a)9x = 81 b) x – 4 = 14 c)3x + 5 = 20 d)4x – 5 = 13 + x e) 5(x + 12) = x f) 4(x – 1) = 2(x – 4) *

Answer 1

Resposta:

A) x = 9

B) x = 18

C) x = 15

D) x = 6

E) x = -15

F) x=6

Espero ter ajudado.