Q: What is the solution?
Solve 11 - 89 = 13*a for a.

A: -6

Q: What is the solution?
Solve 155*i - 59 = 650 + 66 for i.

A: 5

Q: What is the solution?
Solve -52 + 65 = 3*n + 43 for n.

A:
-10