Question: What is the solution?

Solve -129*o - 144*o - 606 - 1305 = 0 for o.

Answer: -7

Question: What is the solution?

Solve -76*v - 50 - 255 = -133*v - 4*v for v.

Answer: 5

Question: What is the solution?

Solve -46*u - 110 - 198 = 14 for u.

Answer: -7

Question: What is the solution?

Solve 0 = 20*c - 32*c for c.

Answer:
0