Q: What is the solution?
Solve -452*y = -330*y + 528*y - 5850 for y.

A: 9

Q: What is the solution?
Solve -15 = 5*z + 15 for z.

A: -6

Q: What is the solution?
Solve -6336 = 10*a - 6246 for a.

A:
-9