Question: What is the solution?

Solve -16963 = 21*g - 17761 for g.

Answer: 38

Question: What is the solution?

Solve 5*j - 30 = -15 for j.

Answer: 3

Question: What is the solution?

Solve -1783 - 11429 = -2202*s for s.

Answer: 6

Question: What is the solution?

Solve -49*r - 91*r + 140 = 0 for r.

Answer:
1