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Mathematics 24 Online
OpenStudy (anonymous):

Solve 9|9-8x|=2x+3

OpenStudy (tkhunny):

What's your plan? There is something really important about 9 - 8x = 0 or x = 9/8. What is so important about that?

OpenStudy (anonymous):

Multiply 9 to 9-8x?

OpenStudy (tkhunny):

No, don't do that. No need to make it more complicated.

OpenStudy (anonymous):

I don't remember):

OpenStudy (anonymous):

Make 2 of them?

OpenStudy (tkhunny):

Maybe. How?

OpenStudy (anonymous):

I've never done one with something on the outside so I'm confused

OpenStudy (anonymous):

Can you do the first step maybe I can do it after that?

OpenStudy (tkhunny):

Okay, then divide by 9 and it will be like your previous experience, right? \(|9-8x|=\dfrac{2}{9}x+\dfrac{1}{3}\)

OpenStudy (anonymous):

I have no idea how you did that. I'm not used to that?

OpenStudy (mathstudent55):

I helped someone solve this problem earlier today.

OpenStudy (tkhunny):

You don't know how to divide by 9?

OpenStudy (anonymous):

Yes I do but never mind.

OpenStudy (tkhunny):

Perhaps @mathstudent55 will direct you to the earlier post.

OpenStudy (mathstudent55):

I found it: http://openstudy.com/users/mathstudent55#/updates/52151e59e4b00ebc7dc04f94

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