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Mathematics, 24.09.2019 02:30 madone8365

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 thir...
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