What is the perimeter of a rectangle with a length of 3x + 3 and a width of x - 1

Question

asked Jan 6, 2019 23.2k views

1 Answer

Mirian · Answer 1 · 2019-01-13T18:50:34+0000

Answer:

P = 8x+4

Explanation:

The perimeter of a rectangle is found by using the formula

P = 2(l+w)

We know l = 3x+3 and

w = x-1

Substitute these values in

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

Combine like terms

P = 2(4x+2)

Distribute the 2

P = 8x+4