Q: What is the solution?
Solve -1007*b + 18396 = -1299*b for b.

A: -63

Q: What is the solution?
Solve 7*a = 6*a + 9*a + 128 for a.

A: -16

Q: What is the solution?
Solve 2402 = -5*t + 4812 - 2475 for t.

A:
-13