Question: What is the solution?

Solve -8587 = 616*o + 16053 for o.

Answer: -40

Question: What is the solution?

Solve 72159 = 129*h + 24983 + 34018 for h.

Answer: 102

Question: What is the solution?

Solve 2101*y - 12438 - 116 = 1814*y + 2083 for y.

Answer: 51

Question: What is the solution?

Solve -784 - 759 = -20*r - 1403 for r.

Answer:
7