Q: What is the solution?
Solve 603*r = -154*r + 6056 for r.

A: 8

Q: What is the solution?
Solve -53*a - 155*a = 130*a - 4732 for a.

A: 14

Q: What is the solution?
Solve 0 = 5*i - 7*i + 2 for i.

A:
1