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PLEASE ANSWER ASASP FOR BRAINLEST!!!!
The length of each of the two congruent sides of an isosceles triangle is 2n + 7 and the length of the third side is 3n. Write an expression for the length of the triangle’s perimeter.

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lolersgaming1

Answer:

7n+14

Step-by-step explanation:

There are two sides that both measure 2n+7, we need 2 of those

2n+7+2n+7=4n+14

We still have the third side left, 3n.

4n+14+3n

combine like terms

7n+14

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