QUESTION: Math problem: Solve -134*u + 139*u + 20 = 0 for u.
ANS: -4
QUESTION: Math problem: Solve 140*v - 15 = 143*v for v.
ANS: -5
QUESTION: Math problem: Solve -24*f + 41 - 11 = -18 for f.
ANS: 2
QUESTION: Math problem: Solve -2554055*n - 51744 = -2555111*n for n.
ANS:
49