Write down the solution for this math problem: Solve 74423*j - 1020 = 74321*j for j.
answer: 10

Write down the solution for this math problem: Solve -6907*c = -24440 + 501023 for c.
answer: -69

Write down the solution for this math problem: Solve 27*c + 569*c - 31*c - 56610 = -200*c for c.
answer: 74

Write down the solution for this math problem: Solve -179972*b + 180136*b = -5904 for b.
answer:
-36