x+9=9-x

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Solution for x+9=9-x equation:


x+9=9-x

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

We move all terms containing x to the left and all other terms to the right. 
+1x+1x=+9-9

We simplify left and right side of the equation. 
+2x=0

We divide both sides of the equation by 2 to get x. 
x=0

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