Respuesta :

-192 + 6x = -1x + 60
          +1x     +1x
-192 + 7x = 60
+192         +192
7x = 252
 7        7

x = 36
Hope this helps :)
-192 + 6x = -x +60

First add x on both sides of the equation.

-192 + 7x = 60

Then add 192 on both sides of the equation

7x = 252

Finally divide 7 on both sides of the eqauation

The answer will be 

x = 36

Hope it helps!