-6x-21=9-8x

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Solution for -6x-21=9-8x equation:


-6x-21=9-8x

We simplify the equation to the form, which is simple to understand 
-6x-21=9-8x

We move all terms containing x to the left and all other terms to the right. 
-6x+8x=+9+21

We simplify left and right side of the equation. 
+2x=+30

We divide both sides of the equation by 2 to get x. 
x=15

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