QUESTION: Math problem: Solve 72 - 331 = 267*f - 304*f for f.
ANS: 7
QUESTION: Math problem: Solve -300*o + 53*o = -22477 for o.
ANS: 91
QUESTION: Math problem: Solve 903 - 528 = 15*n + 10*n for n.
ANS: 15
QUESTION: Math problem: Solve -48*c - 154 = 38 for c.
ANS:
-4