Question: What is the solution?

Solve 0 = -6*r + 4*r + 10 for r.

Answer: 5

Question: What is the solution?

Solve -264 - 46 - 119 = -39*q for q.

Answer: 11

Question: What is the solution?

Solve 0 = -652*t + 177*t for t.

Answer: 0

Question: What is the solution?

Solve 0 = -48*b + 269 - 77 for b.

Answer:
4