Question:
Solve 6*h - 210 + 192 = 0 for h..

Answer:
3

Question:
Solve -5675*o + 5688*o = -78 for o..

Answer:
-6

Question:
Solve 0 = -34*t - 151 + 729 for t..

Answer:
17

Question:
Solve 91*t = 126*t + 315 for t..

Answer:
-9