Question:
Solve 811 = -206*x + 3283 for x..

Answer:
12

Question:
Solve 6*k + 8 = 20 for k..

Answer:
2

Question:
Solve -1877*o = -53297 - 34922 for o..

Answer:
47

Question:
Solve 45 = 352*l + 2509 for l..

Answer:
-7