Question: What is the solution?

Solve -1 = 3*s - 7 for s.

Answer: 2

Question: What is the solution?

Solve 1903 = 26*g + 147*g for g.

Answer: 11

Question: What is the solution?

Solve 245*g - 256*g - 20 = -64 for g.

Answer: 4

Question: What is the solution?

Solve -40 = -14*v + 6*v for v.

Answer:
5