anonymous
  • anonymous
w/4 + 4x - 1/5 = 1/8 I need help solving this
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
Are you solving for x?
anonymous
  • anonymous
I think so...Not quite sure...let me check to see if it tells me.
anonymous
  • anonymous
When solving a rational equation the first step that we must always take would be to make sure that you convert the equation to an equation without denominators. This is the explanation I got.

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anonymous
  • anonymous
OK that makes sense, but it still doesn't tell us whether we should solve for x or w. Or are we just supposed to convert the equation and not solve anything? Any more hints in your instructions?
anonymous
  • anonymous
That is all I got..I get so frustrated. I guess we have to find the problems in this and address them so they know what they are
anonymous
  • anonymous
Shall we try solving for x then?
anonymous
  • anonymous
I guess...just so you know...to give a heads up..I am horrible at this stuff...I get so confused
anonymous
  • anonymous
No problem, I'll try my best to help you understand :)
anonymous
  • anonymous
Thank you so much
anonymous
  • anonymous
Do you have a guess as to how to start, or should I show the first step?
anonymous
  • anonymous
This week is a confusing week for me...just as I get the hang of things I get confused then frustrated...
anonymous
  • anonymous
ok so scratch that question...
anonymous
  • anonymous
That's ok, it happens to all of us. The first thing we need to do is find the Least Common Denominator (the LCD). Do you know how to do that
anonymous
  • anonymous
I have one that I did, but he wants the original rational equation of this 10 + 4(x – 2) = 5(x) 10 + 4x – 8 = 5x 4x + 2 = 5x 2 = x or x= 2
anonymous
  • anonymous
I thought I had did this...and that this answer was it...apparently not....lol
anonymous
  • anonymous
Hang on, I'm confused. Does this have anything to do with the first problem you posted or have we moved on?
anonymous
  • anonymous
moved on...I just asked one of the girls in my class by text and she said not to worry about the first one...fix the stuff we did wrong individually...sorry
anonymous
  • anonymous
OK. So he wants the original rational equation of 10+4(x-2)=5x?
anonymous
  • anonymous
yes
anonymous
  • anonymous
I thought I had done this..with all the work I did...not so much he said
anonymous
  • anonymous
Well, a rational equation is an equation that has fractions in it. I think he wanted you to manipulate the equation he gave to look like one. Instead, what you did was solve for x. More coming...
anonymous
  • anonymous
ok see now I am getting confused...
anonymous
  • anonymous
What I think you have to do is distribute the 4 like you did so that you get 10+4x-8=5x, then divide both sides of the equation by 40 to get a rational equation
anonymous
  • anonymous
Can you maybe tell me more about what you're confused about in specific?
anonymous
  • anonymous
most of it....I am just not a math person at all....not sure why it never clicked for me.
anonymous
  • anonymous
I hate the fact I have to ask for help...
anonymous
  • anonymous
Don't worry about it. Math is chalenging and everyone struggles with it. Plus, it's confusing when you're being tutored online
anonymous
  • anonymous
Back to the problem...
anonymous
  • anonymous
sure...I will be checking in a few at a time..I have 2 very sick little girls...sorry if I do not respond right away... I will be back if not:)
anonymous
  • anonymous
So, a rational equation is an equation that has fractions in it. Like this one (just a random example): x/2+1=x/8
anonymous
  • anonymous
We want to make the equation you were given look something like that.
anonymous
  • anonymous
According to your instructions anyway
anonymous
  • anonymous
So here's what I would do. Take the equation 10 + 4(x – 2) = 5(x)
anonymous
  • anonymous
Sorry...
anonymous
  • anonymous
Step 1. Find the least common multiple of 10, 4, and 5. It is 20 because 20 is the smallest number that can divide evenly into 10, 4, and 5
anonymous
  • anonymous
No problem
anonymous
  • anonymous
Step 2. Divide every term in the equation by 20. It will look like this: 10/20 + 4(x – 2)/20 = 5(x)/20
anonymous
  • anonymous
Step 3. Simplify the fractions. It will look like this: 1/2+(x-2)/5=x/4
anonymous
  • anonymous
And this looks like a rational equation, so I believe this is what your teacher wants
anonymous
  • anonymous
Thank you so much!! I think I understand this better:) Your great!
anonymous
  • anonymous
You're welcome. :) So glad I could help. I'm kinda new to this online tutoring thing, so I was nervous.
anonymous
  • anonymous
Do you have other questions or more questions about this problem?
anonymous
  • anonymous
no...thank you so much:)
anonymous
  • anonymous
You're welcome :)

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