Question:
Solve 12723382 = -151*h + 12708433 for h..

Answer:
-99

Question:
Solve 2*a + 204 - 200 = 0 for a..

Answer:
-2

Question:
Solve -4*o + 2*o + 2 = 0 for o..

Answer:
1

Question:
Solve 28*o - 23*o - 15 = 0 for o..

Answer:
3