Question: What is the solution?

Solve 544 = 43*o + 322 - 681 for o.

Answer: 21

Question: What is the solution?

Solve 1210 = 338*f - 7240 for f.

Answer: 25

Question: What is the solution?

Solve -t = -6 + 2 for t.

Answer: 4

Question: What is the solution?

Solve 2881*i + 37261 = 4699 - 25058 for i.

Answer:
-20