Respuesta :

shoot4damoon
To find the perimeter of a triangle, you add all the sides.
(2x +1) + (3x+2) + (x+3)
next find all the common variables
2x, 3x, and x
add them together to get 
6x
Add 1,2, and 3
6
so your answer is 6x +6
Hope this helps! :)

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