Question: What is the solution?

Solve -1640 = 50*v - 3074 + 734 for v.

Answer: 14

Question: What is the solution?

Solve -2*q = -4*q - 2 for q.

Answer: -1

Question: What is the solution?

Solve -53*q = -94*q + 451 for q.

Answer: 11

Question: What is the solution?

Solve 125*b - 49*b + 9393 - 8253 = 0 for b.

Answer:
-15