kelizjahm kelizjahm

14-12-2017
Mathematics

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the perimeter of a triangle is 91 centimeters if two sides are equally long and the third side is 7 centimeters longer than others find the lengths of the three sides

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tynollette tynollette

14-12-2017

x+x+(x+7)=91
3x=84
x=28

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