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OpenStudy (anonymous):
myininaya (myininaya):
what did u get when you solved the inequality?
OpenStudy (anonymous):
B
myininaya (myininaya):
\[3n-4 \le 23\]
add 4 on both sides
then divide by 3 on both sides and you get....
OpenStudy (anonymous):
and you get.....
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myininaya (myininaya):
no its not B
OpenStudy (anonymous):
Dang it!
myininaya (myininaya):
lol
OpenStudy (anonymous):
then what do you get?
myininaya (myininaya):
add 4 on both sides what do you get after doing that?
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OpenStudy (anonymous):
divide 3 on both sides!
myininaya (myininaya):
adding 4 on both sides looks like this:
\[3n-4+4 \le 23+4\]
OpenStudy (anonymous):
ok so the answer is.... i know that but i need the answer to see if im corect! :D
myininaya (myininaya):
so we have
\[3n \le 27\]
now we get n by itself by doing....
myininaya (myininaya):
well we already determined you werent correct
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OpenStudy (anonymous):
Multiplication!
myininaya (myininaya):
multiply by what?
OpenStudy (anonymous):
3
myininaya (myininaya):
no
if you multiply by 3 you not get n by itself
to get n by itself you need to get rid of that multiplication of 3 on it by multiplying by ?
or you could say dviding by ?
myininaya (myininaya):
what happens if we divide by 3 instead of multiply by it/
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OpenStudy (anonymous):
YAY! SURE!
OpenStudy (anonymous):
:D
myininaya (myininaya):
we get
\[n \le ?\]
what goes in place of that ?
OpenStudy (anonymous):
ummmm
OpenStudy (anonymous):
im not sure! :D
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myininaya (myininaya):
well if you divided both sides by 3 then 27 divided by 3 is ?
OpenStudy (anonymous):
i think its 3 or nine
OpenStudy (anonymous):
9
myininaya (myininaya):
this is what we did:
\[\frac{3n}{3} \le \frac{27}{3}\]
\[n \le 9\]