Question:
Solve -4160*f - 170956 = 53684 for f..

Answer:
-54

Question:
Solve -16*a + 4*a = 0 for a..

Answer:
0

Question:
Solve 3048*u - 963*u - 52125 = 0 for u..

Answer:
25

Question:
Solve 650*k + 796*k - 43627 = 310*k - 139051 for k..

Answer:
-84