Question:
Solve -42*h + 423 = 5*h for h..

Answer:
9

Question:
Solve 0 = -76*k - 1618 + 1551 - 4569 for k..

Answer:
-61

Question:
Solve -526*c + 24*c - 497 = -5*c for c..

Answer:
-1

Question:
Solve 168*o = 119*o - 245 for o..

Answer:
-5