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olchik [2.2K]
3 years ago
14

Help please!(picture)

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0

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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