Question:
Solve -17183 = 143*l - 21187 for l..

Answer:
28

Question:
Solve 0 = 188*w - 2178 - 454 for w..

Answer:
14

Question:
Solve 4290 - 6486 = 72*v - 621*v for v..

Answer:
4

Question:
Solve -15*h + 562 + 183 = -20 for h..

Answer:
51