21-6x=x

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Solution for 21-6x=x equation:


21-6x=x

We simplify the equation to the form, which is simple to understand 
21-6x=x

We move all terms containing x to the left and all other terms to the right. 
-6x-1x=-21

We simplify left and right side of the equation. 
-7x=-21

We divide both sides of the equation by -7 to get x. 
x=3

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