Respuesta :

fieryanswererft

Answer:

perimeter: 14x - 3

Explanation:

perimeter = total length measure of all sides.

Perimeter for this triangle:

5x - 7 + 7x + 3 + 2x + 1

5x + 7x + 2x - 7 + 3 + 1

14x - 3

toyoke

Answer:

14x-3

Step-by-step explanation:

2x+1+7x+3+5x-7

=2x+7x+5x+1+3-7

=14x-3

Hope this helps

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