QUESTION: Math problem: Solve -21*n - 207 + 228 = 0 for n.
ANS: 1
QUESTION: Math problem: Solve -792*i + 2754 - 7440 = 12738 for i.
ANS: -22
QUESTION: Math problem: Solve 158*y - 35*y + 3339 = -1581 for y.
ANS: -40
QUESTION: Math problem: Solve 0 = 88*f + 331 - 67 for f.
ANS:
-3