QUESTION: Math problem: Solve 0 = 3*a - 51 + 66 for a.
ANS: -5
QUESTION: Math problem: Solve -15*n = -2*n + 78 for n.
ANS: -6
QUESTION: Math problem: Solve -b + 6*b = -68*b - 86 + 5561 for b.
ANS: 75
QUESTION: Math problem: Solve -60*l = 131*l - 1146 for l.
ANS:
6