QUESTION: Math problem: Solve 34*y - 20*y - 28 = 0 for y.
ANS: 2
QUESTION: Math problem: Solve 0 = -30*y - 925 + 445 for y.
ANS: -16
QUESTION: Math problem: Solve 0 = -42*a - 3707 + 3455 for a.
ANS: -6
QUESTION: Math problem: Solve 1680*c + 481118 = 548318 for c.
ANS:
40