question: Teacher asked me this: Solve 0 = f + 91 - 98 for f.
++++++++++
answer: 7
Solve 1074*b - 831 - 11026 - 1147 = 11698 for b.
Solve this plz.

A: 23
QUESTION: Math problem: Solve -2*r - 8 = -4 for r.
ANS: -2
Q: What is the solution?
Solve 103*o - 167 - 418 + 2439 = 0 for o.

A: -18
Write down the solution for this math problem: Solve 105 - 60 = 9*o for o.
answer: 5
Problem: Math Problem
Solve 47*l + 38*l = 79*l - 66 for l.

A:
-11