Question:
Solve 5723*z - 5748*z - 650 = 0 for z..

Answer:
-26

Question:
Solve -1565*w - 62947 = 1889*w - 141*w for w..

Answer:
-19

Question:
Solve 48*r + 1436524 - 1438636 = 0 for r..

Answer:
44

Question:
Solve -61*h = -65*h - 12 for h..

Answer:
-3