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3x(3)-39x=0
We simplify the equation to the form, which is simple to understand
3x(3)-39x=0
Reorder the terms in parentheses
+(+9x)-39x=0
Remove unnecessary parentheses
+9x-39x=0
We move all terms containing x to the left and all other terms to the right.
+9x-39x=0
We simplify left and right side of the equation.
-30x=0
We divide both sides of the equation by -30 to get x.
x=-0
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