Respuesta :

Answer:

P = 5x - 2

Step-by-step explanation:

Givens

P=s1 + s2 + s3

  • s1 = 3x
  • s2 = x - 4
  • s3 = x + 2

Solution

  • P = 3x + x - 4 + x + 2
  • P = 5x - 2
irspow

Answer:

Step-by-step explanation:

The perimeter is just the sum of all side lengths so

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

P=3x+x-4+x+2

P=5x-2