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x+3-9x=9x-31-9x
We simplify the equation to the form, which is simple to understand
x+3-9x=9x-31-9x
We move all terms containing x to the left and all other terms to the right.
+1x-9x-9x+9x=-31-3
We simplify left and right side of the equation.
-8x=-34
We divide both sides of the equation by -8 to get x.
x=4.25
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