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OpenStudy (anonymous):
If nx + 7 = 8 while kx - 7 = 10, what is the value of n/k?
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OpenStudy (asnaseer):
get an expression for nx from the first equation
then get an expression for kx from the second equation
then divide one by the other
OpenStudy (asnaseer):
does that make sense?
OpenStudy (anonymous):
yeah i got the answer 1/17
OpenStudy (asnaseer):
perfect! :)
OpenStudy (zzr0ck3r):
do we assume x != 0?
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OpenStudy (asnaseer):
I would think so.
OpenStudy (zzr0ck3r):
maybe make a note saynig x != 0
OpenStudy (asnaseer):
depends on what "level" of maths you are studying at @lawls
OpenStudy (zzr0ck3r):
o wait it cant be because nx would not equal 1
OpenStudy (asnaseer):
true - x=0 would not satisfy either equation - so it not a viable answer.
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OpenStudy (zzr0ck3r):
word
OpenStudy (asnaseer):
hope we haven't confused you @lawls :)
OpenStudy (zzr0ck3r):
yeah just dont read my first remark or beyond:)
OpenStudy (zzr0ck3r):
unless you want to kiss your teachers but:)
OpenStudy (anonymous):
it's ok guys. it's only a sat level question.
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OpenStudy (asnaseer):
ok - thats good, you can ignore the discussions about x=0 then. :)
OpenStudy (asnaseer):
unless you're actually interested in knowing why it was brought up by @zzr0ck3r ?
OpenStudy (anonymous):
no that's ok lol
OpenStudy (asnaseer):
:)
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