Question: What is the solution?

Solve -326*y - 3400 = 197*y + 222*y + 8520 for y.

Answer: -16

Question: What is the solution?

Solve -13*m = -15*m for m.

Answer: 0

Question: What is the solution?

Solve 0 = 1110*j - 1122*j - 120 for j.

Answer: -10

Question: What is the solution?

Solve -2484*s - 9 = -2493*s for s.

Answer:
1