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Mathematics, 04.08.2019 08:30 maddiiie128

The perimeter of a triangle is 7a-11b. if two of its sides are 2a+b and a-9b, what is the third side?

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The perimeter of a triangle is 7a-11b. if two of its sides are 2a+b and a-9b, what is the third side...

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