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https://vle.mathswatch.co.uk/images/questions/question2814.png

jakeharris02  Nov 7, 2017
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Since the sides are all the same length we have that

 

6x - 1  =  4x +  6        add 1 to both sides, subtract 2x from both sides

 

6x - 4x  =  6 + 1

 

2x  =  7     divide both sides by 2

 

x  =  7/2

 

So......subbing this into    4x +  6   we have   [  4 (7/2) + 6 ]  = [ 28/2  + 6 ]  =  

 

[14 + 6]  =     20 cm

 

 

cool cool cool

CPhill  Nov 7, 2017

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