douha766 douha766

06-02-2017
Mathematics

contestada

Solve 5x+7+2x= and Explain

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jgoldensun jgoldensun

06-02-2017

5x + 7 + 2x = 0
7x + 7 = 0
7x = -7
x = -7/7
x = -1

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juanny1818 juanny1818

06-02-2017

5x+7+2x
=(5x+2x)+(7)
answer: =7x+7

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