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Mathematics 22 Online
OpenStudy (anonymous):

|x+5| > x solve help guys

OpenStudy (yttrium):

Split this into two cases. First case: x+5 > x Second case: -(x+1) > x

OpenStudy (anonymous):

then I solve for x 1) 0 > -5 2) x

OpenStudy (anonymous):

2) x less than 1/2

OpenStudy (anonymous):

right ??

OpenStudy (yttrium):

Ooops. I mean -(x+5) > x

OpenStudy (anonymous):

1) x > -5 2) x less than -5/2 right ???

OpenStudy (yttrium):

1) 0>-5 (which is not possible) 2) x<5/2

OpenStudy (yttrium):

You're correct at 2. :))

OpenStudy (anonymous):

is it -5/2

OpenStudy (yttrium):

The answer should be x<-5/2 It should include all the possible answers.

OpenStudy (anonymous):

even if we try any number it'll be correct

OpenStudy (anonymous):

Am I right sir ??

OpenStudy (yttrium):

haha. I think it is.

OpenStudy (anonymous):

what about -5

OpenStudy (yttrium):

It's still greater. 0>-5

OpenStudy (yttrium):

I think it's all real numbers.

OpenStudy (anonymous):

so the answer is infinity

OpenStudy (yttrium):

I think (-infinity, +infinity)

OpenStudy (anonymous):

ok thank you so much sir :D

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