Question: What is the solution?

Solve -14757 + 30444 + 14213 = -3710*m - 51720 for m.

Answer: -22

Question: What is the solution?

Solve -36 = -21*u + 27 for u.

Answer: 3

Question: What is the solution?

Solve 1503*r + 4601 - 8502 + 32166 = -21334 for r.

Answer: -33

Question: What is the solution?

Solve 145*b - 217*b - 3810 = -707*b for b.

Answer:
6