CaptainSnorlax CaptainSnorlax

01-10-2016
Mathematics

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What is the answer for 3|n+3|-3 <6? Why and show work and graph

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apologiabiology apologiabiology

01-10-2016

add 3 to both sides
3|n+3|<6
divide both sides by 3
|n+3|<6
assume
n+3<6
-(n+3)<6

minus 3 both sides
n<3

-(n+3)<6
-n-3<6
add 3
-n<9
divide -1, don't forget to flip sign
n>-9

-9<n<3

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