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2a+2b=c  for b! Hellllllllllllllp!!!!!!!!!!!!

 Oct 10, 2017
 #1
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1/2c-a

 Oct 10, 2017
 #2
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???????

Guest Oct 10, 2017
 #3
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b=1/2c-a

 Oct 10, 2017
 #5
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thank you! :)

Guest Oct 10, 2017
 #4
avatar+7350 
+1

2a + 2b  =  c           Subtract  2a  from both sides of the equation.

 

2b  =  c - 2a            Divide both sides of the equation by  2  .

 

b  =  \(\frac{c-2a}{2}\)

 

This is the same as..

 

b  =  \(\frac12\)c - a            smiley

 Oct 10, 2017
 #6
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you mean c-2a/2?

Guest Oct 10, 2017
 #8
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sorry, did not read first part :(

Guest Oct 10, 2017
 #7
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your welcome

 Oct 10, 2017

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