Question:
Solve 318 = -88*f - 230*f for f..

Answer:
-1

Question:
Solve -86*q - 1522 = 52*q + 272 for q..

Answer:
-13

Question:
Solve 76*z = -16*z + 21*z for z..

Answer:
0

Question:
Solve -l - 410631 + 410639 = 0 for l..

Answer:
8