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20x+12=9x+5+12x
We simplify the equation to the form, which is simple to understand
20x+12=9x+5+12x
We move all terms containing x to the left and all other terms to the right.
+20x-9x-12x=+5-12
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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