QUESTION: Math problem: Solve 32*w - 40*w + 56 = 0 for w.
ANS: 7
QUESTION: Math problem: Solve -70507*n + 12643 = -70238*n for n.
ANS: 47
QUESTION: Math problem: Solve 274*w = 311*w - 407 for w.
ANS: 11
QUESTION: Math problem: Solve -212*n + 249*n = 753*n + 22912 for n.
ANS:
-32