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OpenStudy (narissa):
help
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OpenStudy (narissa):
OpenStudy (narissa):
@Kkutie7
OpenStudy (narissa):
is it 5?
OpenStudy (kkutie7):
3n+6/3=15 -->3n+6=5 --->3n=-1 ---> n=-1/3. do you understand?
OpenStudy (narissa):
thanks
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OpenStudy (anonymous):
It's n=13
OpenStudy (kkutie7):
@narissa I made a mistake 3n+6/3=15 ---> 3n+6=45 ---> 3n=39 n=13
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