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Mathematics

OpenStudy (anonymous):
2|x|-10=22

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OpenStudy (anonymous):
x= 16 1/2, -16 1/2?

jimthompson5910 (jim_thompson5910):
\[\large 2|x|-10=22\]
\[\large 2|x|=22+10\]
\[\large 2|x|=32\]
\[\large |x|=\frac{32}{2}\]
\[\large |x|=16\]
\[\large x=16 \textrm{ or } x=-16\]

OpenStudy (anonymous):
no, steps are
1) add 10 to both sides
2) divide both sides by 2
3) remove absolute value signs, write plus or minus

hero (hero):
What's wrong with saying \[x = \pm16\]

OpenStudy (anonymous):
so its 16.5 and -16.5?

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jimthompson5910 (jim_thompson5910):
no, 16 or -16

OpenStudy (anonymous):
33/2 is 16.5

myininaya (myininaya):
hero you can say it like that if you want it means the samething as what jim has

hero (hero):
Okay

OpenStudy (anonymous):
oh wait it is 32!!!!

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jimthompson5910 (jim_thompson5910):
same thing, no big deal really

jimthompson5910 (jim_thompson5910):
yes it's 32 not 33

OpenStudy (anonymous):
its -16 and 16 correct?

jimthompson5910 (jim_thompson5910):
yes you got it

myininaya (myininaya):
or*?
yes

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jimthompson5910 (jim_thompson5910):
yes if you want to be technical, but he's got the right idea

myininaya (myininaya):
lol

jimthompson5910 (jim_thompson5910):
its really "or" because x can't be two values at once

jimthompson5910 (jim_thompson5910):
but as long as you have the numbers, that should be fine imo

OpenStudy (anonymous):
we need both answers

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OpenStudy (anonymous):
thats why i put a comma..

jimthompson5910 (jim_thompson5910):
lol yes, the comma will work perfectly

OpenStudy (anonymous):
ok, sorry was cofused.

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