Question: What is the solution?

Solve 23*b = 32*b for b.

Answer: 0

Question: What is the solution?

Solve -84 + 284 + 16 = 36*i for i.

Answer: 6

Question: What is the solution?

Solve 73*o - 137*o = -512 for o.

Answer: 8

Question: What is the solution?

Solve 0 = -8*u + 3*u - 15 for u.

Answer:
-3