Question:
Solve -36 = -9*t - 18 for t..

Answer:
2

Question:
Solve -5001 - 947 = 486*t - 116 for t..

Answer:
-12

Question:
Solve 635*o + 11451 = 656 for o..

Answer:
-17

Question:
Solve 0 = 1524*h - 1516*h - 48 for h..

Answer:
6