Answer:
in case you don't understand feel free to ask.
8x + 1
Explanation:
the perimeter is the sum of the 3 sides , that is
4x + 3 + 5x - 2 + 3 - x ← collect like terms
= 4x + 5x - x - 2 + 3
= 8x + 1 ← perimeter
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