Question:
Solve 200 = -134*o + 154*o for o..

Answer:
10

Question:
Solve -5924*d - 10 = -5902*d - 32 for d..

Answer:
1

Question:
Solve w + 15*w = -72 + 184 for w..

Answer:
7

Question:
Solve 6*b - 493 + 680 = -5*b for b..

Answer:
-17