messi10101095 messi10101095

01-03-2019
Mathematics

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a rectangle has a length of x + 7 and a width of 2x -3 if its perimeter perimeter is 32 what is the value of 3x

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Kamikazeminem Kamikazeminem

01-03-2019

[tex]Answer: \\ We \: have \: an \: equation:2(x + 7 + 2x - 3) = 32 \\ \Leftrightarrow 2(3x + 4) = 32 \\ \Leftrightarrow 3x + 4 = 16 \\ \Leftrightarrow 3x = 12[/tex]

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