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18-05-2015
Mathematics

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solution of inequality -2/5x-9<9/10

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18-05-2015

[tex]- \frac{2}{5}x-9\ \textless \ \frac{9}{10} \\(- \frac{2}{5}x-9\ \textless \ \frac{9}{10} )*10 \\ -4x-90\ \textless \ 9 \\ -4x\ \textless \ 9+90 \\ x\ \textgreater \ -\frac{99}{4} [/tex]

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