Question: What is the solution?

Solve -43*p = -420 + 76 for p.

Answer: 8

Question: What is the solution?

Solve 1023*u = -2318*u + 29212 - 253059 for u.

Answer: -67

Question: What is the solution?

Solve -45*q + 94 = -26*q - 191 for q.

Answer: 15

Question: What is the solution?

Solve 999171 = 8082*r + 6831*r for r.

Answer:
67