Question:
Solve 0 = -11*y + 14*y + 6 for y..

Answer:
-2

Question:
Solve -5606*n = -5638*n for n..

Answer:
0

Question:
Solve 1159*l + 112 = 1145*l for l..

Answer:
-8

Question:
Solve 21*w - 29 = -35 - 78 for w..

Answer:
-4