question: Teacher asked me this: Solve 0 = -375*f + 157 + 6218 for f.
++++++++++
answer: 17
Solve -3 = a - 8 for a.
Solve this plz.

A: 5
QUESTION: Math problem: Solve -126*u + 13*u - 791 = 0 for u.
ANS: -7
Q: What is the solution?
Solve 27*d - 30*d = 0 for d.

A: 0
Write down the solution for this math problem: Solve -5*f - 15*f = 192 - 12 for f.
answer: -9
Q: Solve:
Solve -21*b - 50 - 44 = -367 for b.

A:
13