Mathematics
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OpenStudy (anonymous):
The sum of two-thirds of a number and negative one-ninth is five-sixths. Find the number.
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OpenStudy (anonymous):
2/3x -1/9 = 5/6 find x?
OpenStudy (sohailiftikhar):
\[2/3x-1/9x=5/6\]
OpenStudy (sohailiftikhar):
now can you simplify the terms containing x ?
OpenStudy (anonymous):
i think so!
OpenStudy (sohailiftikhar):
\[(3(2)x-1x)\div9\]
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OpenStudy (madhu.mukherjee.946):
x=51/36
OpenStudy (sohailiftikhar):
don't tell the answer please ...directly
OpenStudy (madhu.mukherjee.946):
2x/3-1/9=5/6
6x-1/9=5/6
OpenStudy (anonymous):
okay the answer sheet says 2 5/6? so i have to turn it into a mixed fraction>
OpenStudy (madhu.mukherjee.946):
36x-6=45
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OpenStudy (madhu.mukherjee.946):
why would 1/9 be multiplied with x
OpenStudy (sohailiftikhar):
oh ! yes you are right
OpenStudy (madhu.mukherjee.946):
so...............
OpenStudy (anonymous):
where did the 6x come from
i am lost
OpenStudy (madhu.mukherjee.946):
dude again lcm
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OpenStudy (anonymous):
Oh yeah okay
OpenStudy (madhu.mukherjee.946):
wait i'm showing you
OpenStudy (madhu.mukherjee.946):
you find the lcm of 3and 9 its 9
OpenStudy (madhu.mukherjee.946):
so we are multiplying 2x with 3
OpenStudy (madhu.mukherjee.946):
you get that?
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OpenStudy (anonymous):
yeah i get it lol
OpenStudy (anonymous):
thanks !
OpenStudy (sohailiftikhar):
your welcome
OpenStudy (madhu.mukherjee.946):
whts this
OpenStudy (sohailiftikhar):
6x-1/9=5/6
6x-1=(5/6)*9
6x-1=45/6
6x-1=15/2
6x=15/2+1
6x=15+2/2
6x=17/2
x=17/12
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OpenStudy (madhu.mukherjee.946):
6x-1=15/2
6x=15/2+1
6x=17/2
x=17/12
OpenStudy (sohailiftikhar):
yes
OpenStudy (sohailiftikhar):
:)
OpenStudy (madhu.mukherjee.946):
okay i got confused:p sorry
OpenStudy (madhu.mukherjee.946):
actually 51/36=17/12
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OpenStudy (sohailiftikhar):
lol 51/36=17/12 you just missed 3 with 6 you wrote 51/6 it's ok :)
OpenStudy (madhu.mukherjee.946):
so i'm correct
OpenStudy (anonymous):
thanks guys
OpenStudy (sohailiftikhar):
yes you are :) and np @glitterythings