Q: What is the solution?
Solve 0 = 1045*a - 1040*a + 15 for a.

A: -3

Q: What is the solution?
Solve -239*t = -386*t - 1029 for t.

A: -7

Q: What is the solution?
Solve -10757 = 249*y - 4781 for y.

A:
-24