Q: Solve -18*s + 69 = -21 for s.

A: 5

Q: Solve 307*x = 576*x + 574*x - 78*x - 12240 for x.

A: 16

Q: Solve -17*y = -65 - 72 - 16 for y.

A: 9

Q: Solve 109*t = -37*t + 292 - 0 for t.

A:
2