Question:
Solve 80*r = -3*r - 308*r - 16238 - 7222 for r..

Answer:
-60

Question:
Solve -502*w - 16073 - 1999 = 0 for w..

Answer:
-36

Question:
Solve 140*p + 2004 = 14223 - 739 for p..

Answer:
82

Question:
Solve 0 = 16*u - 66 - 62 for u..

Answer:
8