Question:
Solve 8*u = -15*u + 4*u for u..

Answer:
0

Question:
Solve 8*w - 517 + 493 = 0 for w..

Answer:
3

Question:
Solve -6*p - 2 = -14 for p..

Answer:
2

Question:
Solve -90*w + 482 = -2085 - 673 for w..

Answer:
36