Question:
Solve 99*p + 2071 + 1289 = -402 for p..

Answer:
-38

Question:
Solve 18670*v + 1691976 = -2809*v + 2252*v for v..

Answer:
-88

Question:
Solve 0 = l - 10*l + 45 for l..

Answer:
5

Question:
Solve -33*u = -3*u - 5*u - 525 for u..

Answer:
21