Mathematics, 08.04.2020 00:18 isabellemaine

A triangle has 2 sides that measure 7x + 4 and 3x – 5. The perimeter is 21 x – 14. Find the length of the 3rd side

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A triangle has 2 sides that measure 7x + 4 and 3x – 5. The perimeter is 21 x – 14. Find the length o...

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