Question: What is the solution?

Solve 38 = 37*t + 149 for t.

Answer: -3

Question: What is the solution?

Solve -5*h - h - 12 = 0 for h.

Answer: -2

Question: What is the solution?

Solve -82*b - 6 = 486 for b.

Answer: -6

Question: What is the solution?

Solve 4*x - 5 = 3 for x.

Answer:
2