Question:
Solve -80*b - 3*b = 12*b - 95 for b..

Answer:
1

Question:
Solve 0 = -36043*a + 36013*a - 780 for a..

Answer:
-26

Question:
Solve 19 = -19*b - 95 for b..

Answer:
-6

Question:
Solve 3*c - 2*c = -9*c for c..

Answer:
0