Mathematics
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OpenStudy (anonymous):
HELP WILL MEDAL
2n-7
---- = 15
3
n=__
What is n?
x
- - 8 = 12
4
x=__
What is x?
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OpenStudy (gorv):
multiply both side by 3
OpenStudy (gorv):
then add 7 on both side
OpenStudy (gorv):
and after that divide both side by 2
OpenStudy (anonymous):
n = 11
OpenStudy (anonymous):
ok, what about the other question? :) n thx
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OpenStudy (gorv):
N=11 is the wrong ans @Algebruhh
OpenStudy (anonymous):
plug 11 in for n.
2*11-7=15 .
Not Wrong
OpenStudy (anonymous):
^^^
OpenStudy (gorv):
in denominator 3 is there
OpenStudy (anonymous):
n=11
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OpenStudy (gorv):
u have to divide by 3 also
OpenStudy (gorv):
\[\frac{ 2n-7 }{ 3 }=15 \]
OpenStudy (gorv):
it is the problem
OpenStudy (gorv):
now n=11??
OpenStudy (gorv):
multiply both side by 3
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OpenStudy (anonymous):
where does it say / by 3 ?
OpenStudy (gorv):
2n-7=15*3
2n-7=45
OpenStudy (anonymous):
so divide 45/3?
OpenStudy (gorv):
u r very slow
OpenStudy (gorv):
first we multiplied by 3 we got 45
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OpenStudy (gorv):
@Algebruhh
OpenStudy (gorv):
OpenStudy (gorv):
2n-7=45
add 7 on each side
2n=45+7
2n=52
divide both side by 2
OpenStudy (gorv):
n=52/2
OpenStudy (anonymous):
so now I have 2n-14=52 then I divide 2
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OpenStudy (gorv):
why u r so slow lol
OpenStudy (gorv):
2n=52
divide both side by 2
OpenStudy (gorv):
check out each step above u will get the ans
OpenStudy (gorv):
n=52/2=26
n=26
OpenStudy (anonymous):
srry ppl r diffent. have different pases. the answer is 26 correct? plus my internet laggs
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OpenStudy (anonymous):
I got a 60 on it. btw it was 11 :/