Question: What is the solution?

Solve 6421 = -6512*o + 7549*o - 27800 for o.

Answer: 33

Question: What is the solution?

Solve -11*m + 43 = 32 for m.

Answer: 1

Question: What is the solution?

Solve -8462 = -505*r + 9213 for r.

Answer: 35

Question: What is the solution?

Solve 150*g - 74*g = 101*g + 625 for g.

Answer:
-25