Write down the solution for this math problem: Solve -61700*c + 61709*c - 189 = 0 for c.
answer: 21

Write down the solution for this math problem: Solve p + 18 - 22 = 0 for p.
answer: 4

Write down the solution for this math problem: Solve -127 = -31*b - 34 for b.
answer: 3

Write down the solution for this math problem: Solve 22854 = 1139*a - 103575 for a.
answer:
111