Answer:
1
Step-by-step explanation:
0.79 is more than half, so rounds to 1.
Begin by subtracting 1/8 from both sides to get

and get a common denominator of 8 on the right:

. Now simplify and cross-multiply: 39x = -16 andx = -16/39
-14.5
Basically, -(7.5+4) is -11.5 and then combine -3 with -11.5 which yields -14.5