QUESTION: Math problem: Solve 4486*i - 3986 - 500 = 0 for i.
ANS: 1
QUESTION: Math problem: Solve 0 = 354*n - 356*n for n.
ANS: 0
QUESTION: Math problem: Solve 0 = -120*f + 150*f + 180 for f.
ANS: -6
QUESTION: Math problem: Solve 0 = -588*j - 389*j + 9770 for j.
ANS:
10