QUESTION: Math problem: Solve 0 = 835*h + 12075 + 27170 for h.
ANS: -47
QUESTION: Math problem: Solve -20 = -4*x + 8 for x.
ANS: 7
QUESTION: Math problem: Solve -72*r + 65*r - 21 = 0 for r.
ANS: -3
QUESTION: Math problem: Solve 10*f = 9*f + 1 for f.
ANS:
1