jessabeams jessabeams

19-08-2014
Mathematics

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a number decreased by 30 is the as 14 minus 3 times the number

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Аноним Аноним

19-08-2014

n - 30 = 14 - 3n
n + 3n = 14 + 30
4n = 44
n = 44/4
n = 11

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kate200468 kate200468

19-08-2014

[tex]x-30=14-3\cdot x\\x+3x=14+30\\4x=44\ /:4\\x=11\\\\Ans.\ 11[/tex]

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