A triangle has sides with lengths of 5x-7,3x-4 and 2x-6. What is the perimeter of the triangle?

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07-09-2017
Mathematics

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A triangle has sides with lengths of 5x-7,3x-4 and 2x-6. What is the perimeter of the triangle?

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Sansa Sansa · Answer 1 · 2017-09-07T00:40:42+02:00

Sansa Sansa

07-09-2017

The perimeter is the sum of all the sides, so P = (5x -7) + (3x-4) + (2x -6). Then group like terms so you have p = 5x + 3x + 2x -7-4-6 and end up with P = 10x - 17

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