-7x+9x-9=

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


-7x+9x-9=0

We simplify the equation to the form, which is simple to understand 
-7x+9x-9=0

We move all terms containing x to the left and all other terms to the right. 
-7x+9x=0+9

We simplify left and right side of the equation. 
+2x=+9

We divide both sides of the equation by 2 to get x. 
x=4.5

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