Question:
Solve 21*w - 27506 + 27821 = 0 for w..

Answer:
-15

Question:
Solve 8*v - 29 = -5 for v..

Answer:
3

Question:
Solve -1190*u + 1163*u = -432 for u..

Answer:
16

Question:
Solve 1611*l = 3816*l + 112455 for l..

Answer:
-51