Question: What is the solution?

Solve 6174 = 117*g - 25*g + 251*g for g.

Answer: 18

Question: What is the solution?

Solve -81*b + 67*b = 42 for b.

Answer: -3

Question: What is the solution?

Solve -2572*j + 2566*j = -6 for j.

Answer: 1

Question: What is the solution?

Solve -5 = 20*c - 25*c for c.

Answer:
1