Question:
Solve 0 = 3*n + 223 - 223 for n..

Answer:
0

Question:
Solve -11420*u - 3584 = -11308*u for u..

Answer:
-32

Question:
Solve -48*p + 491 - 251 = 0 for p..

Answer:
5

Question:
Solve -1032 = -335*i - 8737 for i..

Answer:
-23