Write down the solution for this math problem: Solve 976 = -17*l + 139*l for l.
answer: 8

Write down the solution for this math problem: Solve -11931 = -26*s - 12165 for s.
answer: -9

Write down the solution for this math problem: Solve 3039*r - 3462*r - 25803 = 0 for r.
answer: -61

Write down the solution for this math problem: Solve -118*f - 247 + 427 = -82*f for f.
answer:
5