Question:
Solve -237*b + 236*b = -1 for b..

Answer:
1

Question:
Solve 3*s = 8*s - 10 for s..

Answer:
2

Question:
Solve -71*a = -80*a + 36 for a..

Answer:
4

Question:
Solve 12*h - 57*h = 11*h for h..

Answer:
0