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Need to find the value of x

3(4x+4)+15x=120

 Feb 25, 2019
edited by Guest  Feb 25, 2019
edited by Guest  Feb 25, 2019
 #1
avatar+362 
-3

The value of x is 9 NOT CORRECT   

 

I wish I could be more explicit but I'm new to it to so I really only know how to determine the answer.   

 

oh man so sorry go with eps answer I didvided 108 by 12 not 27 for some reasons.

 Feb 25, 2019
edited by HiylinLink  Feb 25, 2019
edited by HiylinLink  Feb 25, 2019
 #2
avatar+18436 
+2

3(4x+4)+15x=120       Use distrib property to expand left side

12x + 12 + 15x = 120      Collect the 'x' terms

27x + 12 = 120              subtract 12 from both sides

27x = 108                     divide both sides by 27

x = 4

 Feb 25, 2019

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