Question:
Solve -570 = 546*z + 16902 for z..

Answer:
-32

Question:
Solve 8 + 2 = -c + 45 + 31 for c..

Answer:
66

Question:
Solve 3 = 4*m + 23 for m..

Answer:
-5

Question:
Solve -108*c - 823123 = -820639 for c..

Answer:
-23