Write down the solution for this math problem: Solve -38236 - 57259 = -2629*c + 4407 for c.
answer: 38

Write down the solution for this math problem: Solve -319 = -2455*r + 2466*r for r.
answer: -29

Write down the solution for this math problem: Solve -142*m = -33*m + 4131 - 4894 for m.
answer: 7

Write down the solution for this math problem: Solve 83*i + 1296 = -25*i for i.
answer:
-12