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Mathematics 17 Online
OpenStudy (britbrat1997):

(x+3)/(9x)=3 solve.

OpenStudy (photon336):

\[\frac{ (x+3) }{ (9x) } = 3\]

OpenStudy (photon336):

what do you think the first step should be?

OpenStudy (britbrat1997):

get the 3 over to the other side.

OpenStudy (photon336):

okay see that 9x term?

OpenStudy (photon336):

the first thing we can do is to multiply both sides by 9x to eliminate the 9x in the denominator. \[ 9x*\frac{ (x+3) }{ (9x) } = 3*9x\] \[(x+3) = 27x\] make sense?

OpenStudy (britbrat1997):

okay so then you subtract 1x from 27x then divide?

OpenStudy (anonymous):

Yes.

OpenStudy (britbrat1997):

1/9=x?

OpenStudy (photon336):

@Britbrat1997 show each step :) (x+3) = 27x -x -x now what do we do? 3 = 26x

OpenStudy (britbrat1997):

3/26 x=3/26 or .1153

OpenStudy (photon336):

you can keep it in a fraction

OpenStudy (britbrat1997):

okay thank you.

OpenStudy (photon336):

most important. do you get how I did this?

OpenStudy (britbrat1997):

yeah I do now

OpenStudy (photon336):

Try this problem and show me the answer \[\frac{ x+2 }{ 12 } = 8x\]

OpenStudy (photon336):

@Britbrat1997

OpenStudy (britbrat1997):

do you mind if i choose one from my homework, so i can kill 2 birds one stone?

OpenStudy (photon336):

go right ahead

OpenStudy (britbrat1997):

(x+4)/(7)=10 *7 *7 (x+4)=70 -4 -4 x=66

OpenStudy (photon336):

nice work @britbrat1997

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