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Write and simplify a linear expression to find the perimeter of a triangle with the side lengths of (2x+7)cm, (2x+7)cm and (3x help me plz

Respuesta :

Ashliesirias

Answer:

The perimeter of the triangle is

16 x - 4.

Explanation:

The perimeter of any polygon is equal to the sum of the lengths of its sides. So, add the expressions for the three sides together.

P=5x+3+2x-7+9x

P= 16x-4

Hope it helps!

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