Q: Solve:
Solve 414*w + 21*w + 22385 = 28*w for w.

A: -55

Q: Solve:
Solve -195*s + 37763 - 57653 = 0 for s.

A: -102

Q: Solve:
Solve -2*v = 5 - 9 for v.

A:
2