QUESTION: Math problem: Solve 19*k - 12 = -50 for k.
ANS: -2
QUESTION: Math problem: Solve -1806*f = 606*f - 137*f - 50050 for f.
ANS: 22
QUESTION: Math problem: Solve -13*w - 12 - 14 = 0 for w.
ANS: -2
QUESTION: Math problem: Solve -3090 = 36*f + 27*f + 4163 - 1394 for f.
ANS:
-93