Question: What is the solution?

Solve 60*o = 118*o - 580 for o.

Answer: 10

Question: What is the solution?

Solve 540 + 120 = 165*m for m.

Answer: 4

Question: What is the solution?

Solve 0 = 16*i - 75 - 5 for i.

Answer: 5

Question: What is the solution?

Solve -469*z - 3735 = -54*z + 4565 for z.

Answer:
-20