yderking yderking

20-08-2016
Mathematics

contestada

find the possible values of n in the ineqiality -3n < 81

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dalendrk dalendrk

20-08-2016

-3n < 81 |change signs

3n > -81 |divide both sides by 3

n > -27

n ∈ (-27; ∞)

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