Question:
Solve -14092 - 7866 = 4592*r - 7478*r - 1756 for r..

Answer:
7

Question:
Solve 42 = -19*l + 26*l for l..

Answer:
6

Question:
Solve -1087*w - 140*w - 12876 = -336*w - 54753 for w..

Answer:
47

Question:
Solve -10*c + 5*c + 8*c = 0 for c..

Answer:
0