Q: What is the solution?
Solve 90*n - 855 = 45*n for n.

A: 19

Q: What is the solution?
Solve 0 = -17*a + 39*a - 264 for a.

A: 12

Q: What is the solution?
Solve 3*g + 4 = -11 for g.

A:
-5