Question:
Solve -1491 + 1488 = 3*z for z..

Answer:
-1

Question:
Solve 1 + 3 = -2*f for f..

Answer:
-2

Question:
Solve -h + 6*h - 14*h = 8*h + 2295 for h..

Answer:
-135

Question:
Solve -62*i + 44*i - 3510 = 99*i for i..

Answer:
-30