Answer:
If the python has the area x sq. ft, they all have the area

Explanation:
Let x sq. ft be the area the python has.
1. If the anaconda has 538 more square feet than the python, then the anaconda has (x+538) sq. ft.
2. If the python has twice as many square feet as the rattlesnake, then the rattlesnake has the area

In total they have the area
