QUESTION: Math problem: Solve 506 = -7*h + 8*h + 485 for h.
ANS: 21
QUESTION: Math problem: Solve 71*k + 226384 - 229011 = 0 for k.
ANS: 37
QUESTION: Math problem: Solve -531 = -71*v + 8*v + 4*v for v.
ANS: 9
QUESTION: Math problem: Solve 0 = 13*y - 73 + 21 for y.
ANS:
4