Q: Solve:
Solve -38*z - 299 = -71 for z.

A: -6

Q: Solve:
Solve 4384*d - 4588*d - 15708 = 0 for d.

A: -77

Q: Solve:
Solve 268*y - 3711 - 3917 - 3664 = 1840 for y.

A:
49