QUESTION: Math problem: Solve -172*u - 51*u - 916 = 6*u for u.
ANS: -4
QUESTION: Math problem: Solve -25*r + 8*r - 11 = -28 for r.
ANS: 1
QUESTION: Math problem: Solve 5*a - 22 = -6*a for a.
ANS: 2
QUESTION: Math problem: Solve -7137*i - 931518 = 9244*i - 2847*i + 597824 for i.
ANS:
-113