Question:
Solve -567*h - 1688*h - 153340 = 0 for h..

Answer:
-68

Question:
Solve -62 = -3*z - 77 for z..

Answer:
-5

Question:
Solve -666 = 39165*l - 39120*l + 99 for l..

Answer:
-17

Question:
Solve 2713 = -23*c + 2460 for c..

Answer:
-11