Question:
Solve -10*a + 1566 = 6*a + 1614 for a..

Answer:
-3

Question:
Solve -1877*f = -1002*f + 23625 for f..

Answer:
-27

Question:
Solve 44 = -3*l + 44 for l..

Answer:
0

Question:
Solve 2106*f = 2001*f - 630 for f..

Answer:
-6