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27x-45=4x+20-12
We simplify the equation to the form, which is simple to understand
27x-45=4x+20-12
We move all terms containing x to the left and all other terms to the right.
+27x-4x=+20-12+45
We simplify left and right side of the equation.
+23x=+53
We divide both sides of the equation by 23 to get x.
x=2.30434782609
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