Question: What is the solution?

Solve 496 - 988 = 41*j for j.

Answer: -12

Question: What is the solution?

Solve -301*i - 96 = -333*i for i.

Answer: 3

Question: What is the solution?

Solve -2579 + 983 = 128*u - 1340 for u.

Answer: -2

Question: What is the solution?

Solve 774 = 211*r + 307 - 1010 for r.

Answer:
7