Q: Solve -15 = -50*m + 185 for m.

A: 4

Q: Solve 24*p - 2667 = -2523 for p.

A: 6

Q: Solve -10*r = -7*r + 3 for r.

A: -1

Q: Solve 1314 = -105*q - 249 - 2943 + 201 for q.

A:
-41