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Mathematics 13 Online
OpenStudy (anonymous):

Need help with |x-5|+5<8 show the steps please

OpenStudy (anonymous):

you can start by subtracting 5 from both sides, getting |x-5|<3

OpenStudy (anonymous):

sorry i was going to answer but dimbeni looks like he got it! :)

OpenStudy (anonymous):

ok thanks xokatexo

OpenStudy (anonymous):

your welcome<3

OpenStudy (anonymous):

then you split it in two: when |x-5| >0, it becomes x-5<3, i.e. x-5>0 AND x-5<3 x>5 AND x<8 5<x<8

OpenStudy (anonymous):

when x-5<=0, it becomes -x+5<3, i.e. x<=5 AND x>2 2<x<=5

OpenStudy (anonymous):

Finally, you join the two sets, getting 2<x<8

OpenStudy (anonymous):

where did the 8 come from?

OpenStudy (anonymous):

first part, when you have x-5<3, add 5 on both sides

OpenStudy (anonymous):

oh ok I forgot about the 8

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

;-)

OpenStudy (anonymous):

can i have a medal? haha jk you dont have to give me onee!

OpenStudy (anonymous):

I gave you one for effort!

OpenStudy (anonymous):

omg thanks! my first one!

OpenStudy (anonymous):

thanks dimbeni I get it now!!!! your welcome xo :)

OpenStudy (anonymous):

xoxx<3

OpenStudy (anonymous):

question, how do you write it in interval notation form?

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