Respuesta :

irspow
The perimeter is just the sum of all of the side lengths.

p=3x+4+x-10+5x-2

p=9x-8
altavistard
Add up the lengths of the 3 sides.  Starting with x terms, we get 3x + 4 + x - 10 + 5x - 2.  The x terms combined result in 9x and the constants combined result in -8.  The perimeter is thus 9x - 8 units.

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