Mathematics
6 Online
OpenStudy (anonymous):
What is the value of n?
http://static.k12.com/bank_packages/files/media/mathml_cd2806dc0cfb53753c2a8bd9cbd6525987b35c26_1.gif
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OpenStudy (anonymous):
oml im in k12 too
OpenStudy (anonymous):
Cool
OpenStudy (anonymous):
.lol
OpenStudy (amistre64):
can you show your attempt at a solution?
OpenStudy (anonymous):
Um I suck at math but ill try
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OpenStudy (amistre64):
trying is the important part, i can correct as needed
OpenStudy (anonymous):
Okay so the slash thing means to divide right
OpenStudy (amistre64):
yes
OpenStudy (anonymous):
okay so 3n+6 divided by 3 =15 does n=3
OpenStudy (amistre64):
if we triple each side ... we get 3n + 6 = 3(15)
n=3 is not going to work out for us
3n + 6 = 45 is partway there
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OpenStudy (amistre64):
what would we do next? any thoughts?
OpenStudy (anonymous):
No idk
OpenStudy (amistre64):
well we are adding 6 to something to get 45, lets subtract 6
3n + 6 - 6 = 45 - 6
now we know what 3n is
OpenStudy (amistre64):
3n = 39, what should we do next?
OpenStudy (anonymous):
wait does n=15? :/
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OpenStudy (amistre64):
im leaning more towards n=13
OpenStudy (amistre64):
3n/3 = 39/3
n = 13
OpenStudy (anonymous):
oh ok so that's the answer?
OpenStudy (amistre64):
with anyluck, yeah
OpenStudy (anonymous):
Thanks alot
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OpenStudy (amistre64):
youre welcome