Respuesta :

-6+14 =12-8x


-6+14 = 8

then

8 = 12 - 8x            -12

8-12 = 12 - 12 -8x


8-12 = -4
and
12-12=0


then
-4 = -8x      /-8

-4/-8 = -8x/-8

-4/-8 = 1/2

then

1/2 = x

so that: x = 1/2 = 0.5


hope that helps