QUESTION: Math problem: Solve 65 = 2*h + 11*h for h.
ANS: 5
QUESTION: Math problem: Solve 5*f = -11 + 21 for f.
ANS: 2
QUESTION: Math problem: Solve -4*f + 7*f - 9 = 0 for f.
ANS: 3
QUESTION: Math problem: Solve 18*f - 5*f = 32*f - 171 for f.
ANS:
9