Question:
Solve -131*z - 3360 = 168*z - 89*z for z..

Answer:
-16

Question:
Solve 372*d - 11654 - 3598 = 0 for d..

Answer:
41

Question:
Solve 0 = 633*o - 652*o for o..

Answer:
0

Question:
Solve 19685*v - 39381*v = -19653*v + 1763 for v..

Answer:
-41