Question:
Solve -24*f - 24130 = 6*f - 23740 for f..

Answer:
-13

Question:
Solve 22*a - 19*a + 12 = 0 for a..

Answer:
-4

Question:
Solve 4824*r + 743*r - 13314 = -1090*r for r..

Answer:
2

Question:
Solve 10*c + 0*c - 20 = 0 for c..

Answer:
2