Question

If the length of rectangle is x + 4 and the width is 3x - 5 what is the perimeter?

Answer 1

`8x-2`

Explanation:

The perimeter of a rectangle is 2L + 2W, where L represents the length and W represents the width. In this scenario, L is equal to x + 4 and W is equal to 3x - 5. We can setup an equation:

`2(x+4)+2(3x-5)`

We can then multiply x - 4 by 2 to get
`2x+8`

We can then multiply 3x - 5 by 2 to get
`6x-10`

Adding them together, we get the answer as
`8x-2`

Answer 2

8x-2

Explanation:

l = x+4

w = 3x-5

The perimeter is

P =2(l+w)

= 2(x+4+3x-5)

Combine like terms

= 2(4x-1)

Distribute

= 8x-2