Write down the solution for this math problem: Solve 5057 + 2489 = 686*f for f.
answer: 11

Write down the solution for this math problem: Solve -14 = -7*h - 56 for h.
answer: -6

Write down the solution for this math problem: Solve 748*b - 20753 - 15448 = -657*b + 308*b for b.
answer: 33

Write down the solution for this math problem: Solve 81370 = 149*l + 75112 for l.
answer:
42