Respuesta :

aahil16r

Answer:

3x+5=-5/3

Step-by-step explanation:

Perimeter of rectangle= 2(l+b)

l= 2x

b= x+5

Eq.

2(2x+x+5)=0

2(3x+5)=0

Therefore, ans =3x+5

                          =-5/3