Question:
Solve 0 = -870*v + 174*v + 4872 for v..

Answer:
7

Question:
Solve -1672*w = -1681*w for w..

Answer:
0

Question:
Solve 578*w - 475*w = 1751 for w..

Answer:
17

Question:
Solve -703622*h = -703578*h - 1232 for h..

Answer:
28