Question:
Solve 82*i - 146*i + 123 = -133 for i..

Answer:
4

Question:
Solve 53*f - 96*f - 645 = 0 for f..

Answer:
-15

Question:
Solve 4553 = 2182*p - 119257 - 2746 for p..

Answer:
58

Question:
Solve 4557 = 1302*s - 1519*s for s..

Answer:
-21