Q: Solve:
Solve 52 = -4*l + 64 for l.

A: 3

Q: Solve:
Solve 0 = c + 15 - 14 for c.

A: -1

Q: Solve:
Solve 9863 - 634 - 1113 = -2115*d - 2459 for d.

A:
-5