Q: Solve:
Solve -571*a + 2780 = -432*a for a.

A: 20

Q: Solve:
Solve -10*t + 4*t + 572 = 3*t + 13*t for t.

A: 26

Q: Solve:
Solve 0 = -1249495*u + 1249517*u - 462 for u.

A:
21