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06-06-2018
Mathematics

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Which value of y is a solution of the inequality? 2y+9≤112y+9≤11

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09-06-2018

[tex]2y+9\leq11\ \ \ |-9\\\\2y\leq2\ \ \ |:2\\\\y\leq1\to y\in\left(-\infty;\ 1\right>[/tex]

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