Question: What is the solution?

Solve -6*m - 4 + 28 = 0 for m.

Answer: 4

Question: What is the solution?

Solve 45*h - 25*h = -120 for h.

Answer: -6

Question: What is the solution?

Solve 11 - 5 = 3*b for b.

Answer: 2

Question: What is the solution?

Solve 2*d + 406918 - 406940 = 0 for d.

Answer:
11