QUESTION: Math problem: Solve 0 = 519*p - 513*p + 18 for p.
ANS: -3
QUESTION: Math problem: Solve f = -4398 + 4392 for f.
ANS: -6
QUESTION: Math problem: Solve 588*s + 84 = 574*s for s.
ANS: -6
QUESTION: Math problem: Solve 0 = -28*y + 1067 - 843 for y.
ANS:
8