QUESTION: Math problem: Solve 0 = 725*i - 766*i + 410 for i.
ANS: 10
QUESTION: Math problem: Solve -2972*x + 42918 = -2039*x for x.
ANS: 46
QUESTION: Math problem: Solve 42 = 4*v + 46 for v.
ANS: -1
QUESTION: Math problem: Solve 392*r + 1991*r = -85*r for r.
ANS:
0