Question:
Solve -4727 = 201*a - 1109 for a..

Answer:
-18

Question:
Solve 3841*k + 6887*k - 1228*k - 400483 - 112517 = 0 for k..

Answer:
54

Question:
Solve 83*h - 126 - 206 = 0 for h..

Answer:
4

Question:
Solve 0*z = 3*z for z..

Answer:
0