QUESTION: Math problem: Solve 0 = -724*k + 720*k + 28 for k.
ANS: 7
QUESTION: Math problem: Solve 6880 = -87*o - 244*o - 600*o - 445*o for o.
ANS: -5
QUESTION: Math problem: Solve -10*k + 975 = 925 for k.
ANS: 5
QUESTION: Math problem: Solve -47 = -9*q + 7 for q.
ANS:
6