Question: What is the solution?

Solve 250*o + 128*o - 35672 = 66*o - 31*o for o.

Answer: 104

Question: What is the solution?

Solve -1072*z + 205589 - 21451 + 31997 = -5875*z for z.

Answer: -45

Question: What is the solution?

Solve 3*z - 5 = 2*z for z.

Answer: 5

Question: What is the solution?

Solve -497 - 525 + 1051 = 29*r for r.

Answer:
1