QUESTION: Math problem: Solve 0 = -495*u - 97*u - 3765 + 5541 for u.
ANS: 3
QUESTION: Math problem: Solve -21*n + 35*n = 14 for n.
ANS: 1
QUESTION: Math problem: Solve 619*v - 618*v = -2 for v.
ANS: -2
QUESTION: Math problem: Solve -667*c - 1428 = -786*c for c.
ANS:
12