+0  
 
-1
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how does this 6 (4x -3) add 7 (x add 1) equel this 9 show working

 Jun 22, 2018
 #1
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0

6(4x-3) + 7(x+1) = 9

 

(24x-18) + (7x+7) = 9

 

31x - 11 = 9

 

31x = 20

 

x = 20/31

 Jun 23, 2018

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