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No wait, that's not it. I gtg to sleep now. Ill be back in the morning. 

is it (-a+12)/6?

Solve for a in terms of b

\(3a+4b=a-8b+24\)

You are asked to rearrange this so that you have 'a' out the front by itself.  The other side can have not a's in it.

Follow these steps, one at a time, to get your answer.

1) take   1a    away from  BOTH sides

2) take 4b away from BOTH sides

3)Divide BOTH sides by the number in front of the a   (which should be 2)

4) there might be a little tidying to do on the right side but the left side just has 'a' now.  That is what you want   

Come back with your working and the answer  

Please help me. I just don't get it. 

Is this your question?  It was not asked by a guest.....

Have you drawn the pic?

What have you done for yourself?

You can take a pic on your phone and upload it.  Just a suggestion.

y=18.25. I can't explain. Im sorry. 

a^2*b^2 = 1.

x = 3 and y = 0, so  (x + 3)/(y + 1) = 6.

I can't see the picture, too. 

Write 2^3√4 as an entire radical.     

The square root of 4 is +2 so wouldn't this just be 2⁺⁶ or am I missing something.  

See http://web2.0calc.com/questions/graphs_16

BC / CE = AB / AE

There are 3!*5!*2! = 1440 possible paths.

The sum of the three smallest possible values of x is 858.

By similar triangles, DE = 35/3.

Yes you're are

i answered it...i hope im correct

Let x be the amount for the eraser. 10(x + 20) = 14x ===> 10x + 200 = 14x. Solving gives x = 50 (in cents), so the amount should be 50 cents. 

i cant see the picture...

Slick...Btw thanks!

We  need to  find  this

C ( n , 3)    =  365

        n!

__________  =     365

(n - 3)!  3!

(n) ( n - 1) (n - 2)  =  365 * 3!

n (n^2  - 3n  + 2)  =   2190

n^3 - 3n^2   + 2n  -  2190  =   0

Using a little technology, n   ≈  14.012

So....you would  need    15  friends

P.S. ....if  there were only  364  nights  you could invite exactly 14  friends   !!!

I dont know how to upload a picture but the answer is x <= 23 (I hope).