Question:
Solve -200*j - 5615 - 2305 = -24*j for j..

Answer:
-45

Question:
Solve 28*h = 35*h - 35 for h..

Answer:
5

Question:
Solve 308 = -1428*l + 1415*l - 108 for l..

Answer:
-32

Question:
Solve -137*f - 2639 = 66*f for f..

Answer:
-13