Mathematics, 04.07.2019 08:20 Aliyahh5673

Atriangle has a perimeter of 10x+2. two sides have lengths of 5x and 2x+9. what is the length of the 3rd side

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Atriangle has a perimeter of 10x+2. two sides have lengths of 5x and 2x+9. what is the length of the...