Question:
Solve 0 = n - 2*n + 2 for n..

Answer:
2

Question:
Solve 0 = 1844*m + 141810 - 51454 for m..

Answer:
-49

Question:
Solve 101 = 25*v - 124 for v..

Answer:
9

Question:
Solve 103*a + 18*a = 32*a - 4806 for a..

Answer:
-54