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-12x-7=0
We simplify the equation to the form, which is simple to understand
-12x-7=0
We move all terms containing x to the left and all other terms to the right.
-12x=0+7
We simplify left and right side of the equation.
-12x=+7
We divide both sides of the equation by -12 to get x.
x=-0.58333333333333
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