Question:
Solve 566 = 50*f + 25 + 41 for f..

Answer:
10

Question:
Solve 27*j + 4 = 25*j for j..

Answer:
-2

Question:
Solve 60*p - 708 = 19*p - 18*p for p..

Answer:
12

Question:
Solve 87 = 66*k + 21 for k..

Answer:
1