Q: Solve -38*d = -74*d - 216 for d.

A: -6

Q: Solve -405*p + 6489 = 2439 for p.

A: 10

Q: Solve 67*w - 5105 - 2161 = -106*w for w.

A: 42

Q: Solve -11699*h - 316411 + 82431 = 0 for h.

A:
-20