chanmyers chanmyers

22-06-2014
Mathematics

contestada

Omg i'm confuse

7(x+4) =9(x -2)

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konrad509 konrad509

22-06-2014

[tex]7(x+4) =9(x -2) \\ 7x+28=9x-18\\ 2x=46\\ x=23[/tex]

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Аноним Аноним

22-06-2014

7(x+4) = 9(x-2)
7x+28 = 9x-18
28+18 = 9x-7x
46 = 2x
46/2 = x
23 = x

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