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3x+4=12x-2
We simplify the equation to the form, which is simple to understand
3x+4=12x-2
We move all terms containing x to the left and all other terms to the right.
+3x-12x=-2-4
We simplify left and right side of the equation.
-9x=-6
We divide both sides of the equation by -9 to get x.
x=0.666666666667
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