QUESTION: Math problem: Solve -2*z = 3 - 11 for z.
ANS: 4
QUESTION: Math problem: Solve -441*n = -445*n - 18 + 6 for n.
ANS: -3
QUESTION: Math problem: Solve 90 = -27*k + 12*k for k.
ANS: -6
QUESTION: Math problem: Solve -2*a - 2 = -8 for a.
ANS:
3