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Mathematics 18 Online
OpenStudy (anonymous):

Can someone help?

OpenStudy (anonymous):

with what

OpenStudy (anonymous):

|dw:1380051870473:dw|

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

do you need help with that

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

@austinL

OpenStudy (isaiah.feynman):

@aliciabennett add the two fractions first and show what you get.

OpenStudy (anonymous):

Well first multiply both sides by 2x, and then by 3x-1. Then fiddle with it.

OpenStudy (anonymous):

You cant can you? I thought you needed a LCD

OpenStudy (anonymous):

You don't need do multiply by the GCD (greatest common divisor), you just need to multiply by some common divisor of the two denominators. (2x)(3x-1) satisfies this. It is also the GCD though.

OpenStudy (anonymous):

or I'm sorry, should be LCM. my bad. anyway.

OpenStudy (anonymous):

I am so confused :/

OpenStudy (austinl):

\(\dfrac{4}{3x+1}+\dfrac{1}{2x}=\dfrac{3}{2x}\) First you can subtract the \(\dfrac{1}{2x}\) from both sides to get, \(\dfrac{4}{3x+1}=\dfrac{2}{2x}\)

OpenStudy (austinl):

Then you can cross multiply and then solve.

OpenStudy (austinl):

Hello?

OpenStudy (anonymous):

6x+2/8x

OpenStudy (austinl):

\(\dfrac{4}{3x+1}=\dfrac{2}{2x}\) Cross multiply. \(2(3x+1)=4(2x)\Rightarrow~6x+2=8x\)

OpenStudy (austinl):

Have you arrived at an answer @aliciabennett ?

OpenStudy (anonymous):

Not at all @austinL

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