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7x=7x-5

 Nov 18, 2016
 #1
avatar+1904 
+3

\(7x=7x-5\)

 

\(7x-7x=7x-5-7x\)

 

\(0x=7x-5-7x\)

 

\(0=7x-5-7x\)

 

\(0=0x-5\)

 

\(0=0-5\)

 

\(0=-5\)

 

\(Ø\)

.
 Nov 19, 2016

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