Question: What is the solution?

Solve -9*j - 18 = -15*j for j.

Answer: 3

Question: What is the solution?

Solve 25*q + 2 + 98 = 0 for q.

Answer: -4

Question: What is the solution?

Solve 109 - 13 = 32*g for g.

Answer: 3

Question: What is the solution?

Solve -35*r + 1 = -36*r for r.

Answer:
-1