Respuesta :

salatulmaghrib
one way to solve:
960-12x=816
144=12x
12=x
Another way to solve
80-x=68
x=12
blackgirlmagic
12(80-x)=816
960-12x=816
-12x=816-960
-12x= -144
X= -144/-12
X= 12

The answer is 12. Hope this helps!