Q: Solve:
Solve 1099*n - 3526*n - 3879*n = -311*n - 287760 for n.

A: 48

Q: Solve:
Solve 63 = 18*y - 63 for y.

A: 7

Q: Solve:
Solve 35 = -4*s - 27 + 70 for s.

A:
2