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x=2(x+4)-1
We simplify the equation to the form, which is simple to understand
x=2(x+4)-1
Reorder the terms in parentheses
x=+(+2x+8)-1
Remove unnecessary parentheses
+x=+2x+8-1
We move all terms containing x to the left and all other terms to the right.
+1x-2x=+8-1
We simplify left and right side of the equation.
-1x=+7
We divide both sides of the equation by -1 to get x.
x=-7
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