Question:
Solve -325*a = -3242 + 17217 for a..

Answer:
-43

Question:
Solve -224 + 248 = -4*f for f..

Answer:
-6

Question:
Solve 8980 = -292*f + 512 for f..

Answer:
-29

Question:
Solve -777*c + 373*c = -371*c - 726 for c..

Answer:
22