Respuesta :

Answer:

16x - 4

Step-by-step explanation:

Perimeter of rectangle = 2(L+b)

= 2(x-3+7x+1)

= 2(8x-2)

= 16x-4

aribeccawil
I think the answer is: 16x - 4

The perimeter of a rectangle is 2(L + W)

2 [(7x + 1) + (x - 3)]

= 2(7x + 1 + x - 3)

= 2( 8x - 2)

= 16x - 4