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What is the length of the third side

What is the length of the third side-example-1
User Dog Lover
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1 Answer

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third side = (10x + 2 ) - (5x + 2x + 9)
third side = 10x + 2 - 7x - 9
third side = 3x - 7

answer

third side = 3x - 7
User Jobwat
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