-21x=9x

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Solution for -21x=9x equation:


-21x=9x

We simplify the equation to the form, which is simple to understand 
-21x=9x

We move all terms containing x to the left and all other terms to the right. 
-21x-9x=0

We simplify left and right side of the equation. 
-30x=0

We divide both sides of the equation by -30 to get x. 
x=-0

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