Question: What is the solution?

Solve -6612 = -9*f - 6621 for f.

Answer: -1

Question: What is the solution?

Solve 92*a - 419*a - 1122*a - 59300 + 14381 = 0 for a.

Answer: -31

Question: What is the solution?

Solve 25 = -10*b + 45 for b.

Answer: 2

Question: What is the solution?

Solve -94*w - 442 = 63*w - 1698 for w.

Answer:
8