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The dimensions of a rectangle are 5x+3 and 4x - 6. Write an expression that represents the perimeter the rectangle.

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The perimeter of a Rectangle.


\begin{gathered} Perimeter\text{ of a rectangle = 2(L+}B) \\ \text{ P = 2\lbrack(5x+3)}+(4x-6)\rbrack \\ P=2(5x+3+4x-6) \\ P=\text{ 2(5x+4x+3-6)} \\ P=2(9x-3) \\ P=18x-6 \end{gathered}

The correct expression for the required perimeter is 18x - 6

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