QUESTION: Math problem: Solve 117 - 87 = -5*f for f.
ANS: -6
QUESTION: Math problem: Solve 0 = 22*w - 0*w + 418 - 88 for w.
ANS: -15
QUESTION: Math problem: Solve -453*f = -118*f - 6783 - 14322 for f.
ANS: 63
QUESTION: Math problem: Solve 18*k - 29*k + 14*k + 48 = 0 for k.
ANS:
-16