Mathematics, 25.06.2019 08:20 lakiethalucas

Iam supposed to find an expression in simplest form for the perimeter of the shape. i don't understand why the answer is 4x - 4. i got 4x - 18. can anyone explain this to me

Iam supposed to find an expression in simplest form for the perimeter of the shape. i don't understa

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Iam supposed to find an expression in simplest form for the perimeter of the shape. i don't understa...