QUESTION: Math problem: Solve -x = -9*x - 16 for x.
ANS: -2
QUESTION: Math problem: Solve 3*m + 141 - 135 = 0 for m.
ANS: -2
QUESTION: Math problem: Solve 34*f + 14 - 116 = 0 for f.
ANS: 3
QUESTION: Math problem: Solve 75*f + 12027 = -117*f + 4155 for f.
ANS:
-41