QUESTION: Math problem: Solve 0 = 16*a - 11*a - 5 for a.
ANS: 1
QUESTION: Math problem: Solve -583*w + 2965*w + 28155 = -131439 for w.
ANS: -67
QUESTION: Math problem: Solve 59*r - 246 - 344 = 0 for r.
ANS: 10
QUESTION: Math problem: Solve 104 = 206*i - 180*i for i.
ANS:
4