QUESTION: Math problem: Solve 0 = -207*t + 505 + 1772 for t.
ANS: 11
QUESTION: Math problem: Solve -18*c + 13*c - 225 = 40*c for c.
ANS: -5
QUESTION: Math problem: Solve -8*f = 5*f for f.
ANS: 0
QUESTION: Math problem: Solve 23*x - 6 = 21*x for x.
ANS:
3