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-9-x=2(x-4)-1
We simplify the equation to the form, which is simple to understand
-9-x=2(x-4)-1
Reorder the terms in parentheses
-9-x=+(+2x-8)-1
Remove unnecessary parentheses
-9-x=+2x-8-1
We move all terms containing x to the left and all other terms to the right.
-1x-2x=-8-1+9
We simplify left and right side of the equation.
-3x=0
We divide both sides of the equation by -3 to get x.
x=-0
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