srinithi320 srinithi320

05-11-2017
Mathematics

contestada

for what natural values of n is (2-2n)-(5n-27) positive?

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CuriousViking CuriousViking

05-11-2017

first simplify.
2-2n-5n+27= -7n+29.
then require this to be greater than 0 .
-7n+29>0
from here you can easily get that
n <29/7

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