Question:
Solve 570*z + 21080 = -399*z + 659*z for z..

Answer:
-68

Question:
Solve -113*w = -90*w for w..

Answer:
0

Question:
Solve -1916*m - 12614 - 44262 = -2398*m for m..

Answer:
118

Question:
Solve -56*b - 66*b - 6*b = 1071*b - 28776 for b..

Answer:
24