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3=-5x-7x+3
We simplify the equation to the form, which is simple to understand
3=-5x-7x+3
We move all terms containing x to the left and all other terms to the right.
+5x+7x=+3-3
We simplify left and right side of the equation.
+12x=0
We divide both sides of the equation by 12 to get x.
x=0
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