Question:
Solve 11*y - 18 = 15 for y..

Answer:
3

Question:
Solve -11*n + 37*n = -104 for n..

Answer:
-4

Question:
Solve 0 = 3438*i - 3465*i - 3 - 132 for i..

Answer:
-5

Question:
Solve 1461*v - 1463*v = -4 for v..

Answer:
2