Question:
Solve -300 = 437*o - 855*o + 438*o for o..

Answer:
-15

Question:
Solve 5124*z = 82281 + 132927 for z..

Answer:
42

Question:
Solve 525 = -8*h + 469 for h..

Answer:
-7

Question:
Solve -58*t = -57*t + 4 for t..

Answer:
-4