Seudónimo
Seudónimo
31-12-2014
Mathematics
contestada
solve the inequality 3k + 7 < 2k + 9
Respuesta :
ayah1
ayah1
31-12-2014
3k + 7 < 2k + 9
k + 7 < 9
k < 2
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Аноним
Аноним
31-12-2014
[tex]3k+7 < 2k+9\ \ \ \ |subtract\ 7\ from\ both\ sides\\\\3k < 2k+2\ \ \ \ \ |subtract\ 2k\ from\ both\ sides\\\\\boxed{k < 2\to k\in(-\infty;\ 2)}[/tex]
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