Question

quanto e 16-1iguala12xmais3

Answer 1

Opa

16 -1 = 12 x + 3

-12x = 3 + 1 - 16

-12 x = -12  ( - 1)

12 x = 12

x = 12/12

x = 1

Espero ter ajudado.

Answer 2

16-1=12x+3
15=12x+3
-12x=3-15
-12x=-12 *(-1)
12x=12
X=12/12
X=1