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For what value of x is line a parallel to line b? I think x might be 20 but im not sure. 

 Nov 3, 2017
edited by Guest  Nov 3, 2017
 #1
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5x + 15  =  115    subtract 15 from both sides

 

5x  = 100      divide both sides by 5

 

x  = 20°

 

So.....you're correct.....!!!!

 

 

cool cool cool

 Nov 3, 2017

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