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17 September, 14:21

The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x-3), find the value of x.

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  1. 17 September, 15:40
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    You divide 63 by 3, because it is equilateral. You get each side to be 21 inches. You plug it into the formula as 4x-3=21

    Add 3 to both sides and get 4x=24

    Divide by 4 and get x=6
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