Question: What is the solution?

Solve -42 = -10*i - 12 for i.

Answer: 3

Question: What is the solution?

Solve 42*g - 63*g + 42 = 0 for g.

Answer: 2

Question: What is the solution?

Solve -10*v - 1387 = -1457 for v.

Answer: 7

Question: What is the solution?

Solve 48*c - 41*c = 14 for c.

Answer:
2