Help please. Will fan and Medal. Please show work. Will post question in comments

- anonymous

Help please. Will fan and Medal. Please show work. Will post question in comments

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- anonymous

|dw:1444267578152:dw|

- anonymous

@satellite73

- Defiance

Okay.
What do you think the answer is?
We will work from there.

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## More answers

- Defiance

Do you have any clue?

- anonymous

I have no clue

- Defiance

Alright. Lets get started then.

- Defiance

First, find the least common denominator.

- Defiance

Left is 12, right is 5.

- Defiance

5 x 12 = 60 For this case is the lowest.

- Defiance

Rewright them.

- Defiance

So times the rightside by 5 and the left bu 12.

- anonymous

k

- Defiance

\[\frac{ 15y-8 }{ 60}\] = \[\frac{ y }{ 60 }\]

- anonymous

ok I understand so far

- Defiance

Okay, so subtract 40 from both sides.

- anonymous

why would I subtract 40? That confuses me

- Defiance

Okay, lets do it another way sorry.

- Defiance

Lets start with making y/5 = 0.

- Defiance

Pretend the right side is 0.

- Defiance

\[\frac{ 3y - 8 }{ 12 } - \frac{ y }{ 5 }\] \[= \frac{ y }{ 5 } - \frac{ y }{ 5 } = 0\]

- Defiance

Subtract y / 5 from both sides.

- Defiance

To make the right = 0

- anonymous

ok

- Defiance

(3y-8)/12-(y/5) = 0

- Defiance

\[\frac{ 3y - 8 }{12 - \frac{ y }{ 5 } }\]

- anonymous

we wouldn't be subtracting y from the 3y up top and the 5 from the 12 down below?

- Defiance

x_x

- anonymous

sorry I just am really confused

- Defiance

OKAY...
Cross multiply...
You know how to do that right?

- anonymous

ya

- Defiance

\[5(3y-8) =12y\]

- Defiance

Solve that.

- Defiance

You get \15y - 40 = 12y\]

- anonymous

k

- Defiance

\[15y - 40 = \]

- Defiance

12y

- Defiance

You get the 40 cause you cross multiplied 5 to 8.

- anonymous

yes

- Defiance

Can you solve form here? Or no.

- anonymous

would I subtract 15y to isolate the y on the on the 12y side?

- Defiance

Move the 12y over to the 15y.
To get \[15y -12y = 40\]

- anonymous

ok

- Defiance

Solver it. Which is simple \[3y = 40\]

- Defiance

Move the 3 back to the 40 to make the faction.

- anonymous

ok so now I just subtract 3 from both sides to get y=37?

- Defiance

40/3

- Defiance

No.

- Defiance

The faction is 40/3

- anonymous

ok nm I just saw your other posts

- Defiance

The answer is \[40/3 or 13.33\]

- anonymous

k

- Defiance

either one.
13.33 is 40/3 as a decimal.

- anonymous

Thank you and I am sorry that I was such a pain

- Defiance

3y-8/12 = y /5
5( 3y - 8) = 12y
15y -40 =12y
15y -12y =40
3y=40

- Defiance

That just to show the math.

- Defiance

And it's fine, anything to help. It's what I'm here for ;)

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