Question

Find the perimeter of the rectangle

Answer 1

The formula of a perimeter of a rectangle:

$P=2(l+w)$

l - length

w - width

We have:

$l=2x-3,\ w=x+4$

Substitute:

$P=2(2x-3+x+4)=2(3x+1)\\\\_{\text{use distributive property}}\\\\=(2)(3x)+(2)(1)=\boxed{6x+2}$