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
Answer Link
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-2×--9y=-25 -4×-9y=-23
