a rectangle has a length of (3x-8) and a width of of (x+6) what is the perimeter ?

Answer 1

The perimeter is the sum of all sides and rectangles have two sets of equal sides:

p = 2l + 2w

p = 2(3x - 8) + 2(x + 6)

p = 6x - 16 + 2x + 12

p = 8x - 4