Question: What is the solution?

Solve -103*o - 340 = -137*o for o.

Answer: 10

Question: What is the solution?

Solve 0 = 32*i + 19*i + 51 for i.

Answer: -1

Question: What is the solution?

Solve -10 = 23*d - 102 for d.

Answer: 4

Question: What is the solution?

Solve -66*y + 25*y - 2090 = -250*y for y.

Answer:
10