Question: What is the solution?

Solve 0 = 11*f - 94 + 50 for f.

Answer: 4

Question: What is the solution?

Solve 13270 = -2575*g - 123*g - 5616 for g.

Answer: -7

Question: What is the solution?

Solve 73*w = 164*w - 70*w - 441 for w.

Answer: 21

Question: What is the solution?

Solve 217 + 221 = -30*o + 48 for o.

Answer:
-13