Q: Solve:
Solve -15438*c + 2294*c = 381176 for c.

A: -29

Q: Solve:
Solve -2521*l + 8655*l = -250634 - 632662 for l.

A: -144

Q: Solve:
Solve -517 = -421*a - 8095 for a.

A:
-18