Question:
Solve 0 = 50*b - 19915 - 18006 + 43371 for b..

Answer:
-109

Question:
Solve 8*l - 263 = 126 - 133 for l..

Answer:
32

Question:
Solve 197 - 1096 - 1251 = 122*a - 36*a for a..

Answer:
-25

Question:
Solve 232*n - 102*n + 676 = 104*n for n..

Answer:
-26