irelyncmscheer11 irelyncmscheer11

10-09-2019
Mathematics

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helwamaryam1 helwamaryam1

10-09-2019

Answer:

7a - 2

Step-by-step explanation:

A perimeter is just the sum of all sides added together, so just put all the expressions together into a big equation.

2a - 3 + 2a + 3a + 1

Combine like terms

7a - 2

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