Q: Solve:
Solve 30*z = -84*z - 14*z - 21*z + 3725 for z.

A: 25

Q: Solve:
Solve -1397*w + 67526 = 380*w for w.

A: 38

Q: Solve:
Solve -79*k + 2332 = 80*k - 5637 + 1927 for k.

A:
38