QUESTION: Math problem: Solve 2360*u - 1639 = 2211*u for u.
ANS: 11
QUESTION: Math problem: Solve 4057*c = 4065*c + 80 for c.
ANS: -10
QUESTION: Math problem: Solve -1915*m - 226138 = -7866*m for m.
ANS: 38
QUESTION: Math problem: Solve 202*i - 411*i + 117 = -200*i for i.
ANS:
13