Question:
Solve 0 = 5*n + 3 - 3 for n..

Answer:
0

Question:
Solve 5*p = -17 - 8 for p..

Answer:
-5

Question:
Solve 0 = -9*i - 0*i - 18 for i..

Answer:
-2

Question:
Solve -1036 = 346*f - 13956 - 3342 for f..

Answer:
47