Question

x + 15 + x = 12 + x​

Answer 1

Oie, Td Bom?!

>>> Resposta: Opção B.

x + 15 + x = 12 + x

15 + x = 12

x = 12 - 15

x = - 3

Att. Makaveli1996

Answer 2

Olá!!

x+15+x=12+x

x+x-x=12-15

2x-x=-3

x=-3

Opção B

Att=Gauzz