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Mathematics 21 Online
OpenStudy (anonymous):

7y+4/y+2=-4/3

OpenStudy (saifoo.khan):

\[\frac{7y+4}{y}+2 = \frac{-4}{3}\] this?

OpenStudy (anonymous):

yep

OpenStudy (saifoo.khan):

\[\frac{7y+4}{y} = \frac{-4}{2}-2\]

OpenStudy (saifoo.khan):

\[\frac{7y+4}{y} = \frac{-4-2}{2}\]

OpenStudy (saifoo.khan):

\[Cross-multiply\]

OpenStudy (anonymous):

how did u get -2 there

OpenStudy (saifoo.khan):

\[{2(7y+4)} = {y(-6)}\]

OpenStudy (saifoo.khan):

14y + 8 = -6y 8y = -8 y = -1

OpenStudy (anonymous):

sorry wrong ans

OpenStudy (anonymous):

its not -1

OpenStudy (anonymous):

(7y+4)/y=-4/3-2 =-4/3-6/3 =-10/3 (7y+4)/y=-10/3 cross multiply 3(7y+4)=-10y 21y+12=-10y 21y+10y=-12 31y=-12 y=-12/31

OpenStudy (anonymous):

sorry this is also a wrong ans

OpenStudy (saifoo.khan):

O, let me solve this again on my book, just a Sec.

OpenStudy (anonymous):

at seemaarulzz, are you tellin zat the ans -12/31 is wrong

OpenStudy (anonymous):

it cant be wrong unless the equation which saifoo give is not the correct one

OpenStudy (saifoo.khan):

seemaru, please check your equation again.. & post a picture of that ques.

OpenStudy (anonymous):

sorry its from my book n the equation is right.....ans is y=-4/5

OpenStudy (anonymous):

i geuss there has been typing mistakes in you book otherwise if y=-4/5 then the rite handside of the equation should be 4

OpenStudy (saifoo.khan):

Yeas!

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