Question: What is the solution?

Solve -7*h + 18 + 3 = 0 for h.

Answer: 3

Question: What is the solution?

Solve 30 = 4*o + 2 for o.

Answer: 7

Question: What is the solution?

Solve -21*g = 30*g - 153 for g.

Answer: 3

Question: What is the solution?

Solve -86*u + 6067 = 806 + 187 for u.

Answer:
59