Don't understand the problem can somebody please help me

Question

The bottom of the rabbit cage is a rectangle with a perimeter of 118 inches. Let x be the cages width(in inches) and let y be its length (in inches).
write an equation for the perimeter the find the intercepts

Answer 1

that would simply be

2x + 2y = 118

which would reduce to
x + y = 59

Answer 2

thanks for the help