Problem: Math Problem
Solve 299 = -2*l - 18*l - 81 for l.

A: -19

Problem: Math Problem
Solve -781*y - 14909 + 3975 = 0 for y.

A: -14

Problem: Math Problem
Solve 9 = 67*z + 30 - 16 + 129 for z.

A:
-2