9-9=7x+2x

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Solution for 9-9=7x+2x equation:


9-9=7x+2x

We simplify the equation to the form, which is simple to understand 
9-9=7x+2x

We move all terms containing x to the left and all other terms to the right. 
-7x-2x=-9+9

We simplify left and right side of the equation. 
-9x=0

We divide both sides of the equation by -9 to get x. 
x=-0

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