Respuesta :

retirEEd

Answer:

Step-by-step explanation:

Just add the three sides    P = side1 + side2 + side3

Don't let the 'x' terms confuse you, they are just numbers times 'x'

P = 3x+1/2  + 2x+1/4  +  x+1/2

  = 6x + 5/4

P = 6x + 1&1/4

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