Question:
Solve 8231*o - 122763 - 25463 = 5718*o - 8889*o for o..

Answer:
13

Question:
Solve 0 = 2166*w - 2162*w for w..

Answer:
0

Question:
Solve -16 = -31*a + 35*a for a..

Answer:
-4

Question:
Solve 27*d + 2*d + 232 = 0 for d..

Answer:
-8