QUESTION: Math problem: Solve 9*f - 12*f = -12 for f.
ANS: 4
QUESTION: Math problem: Solve g = 6 - 8 for g.
ANS: -2
QUESTION: Math problem: Solve -6*w + 3 - 15 = 0 for w.
ANS: -2
QUESTION: Math problem: Solve -131*i - 661*i + 7128 = 0 for i.
ANS:
9