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3+4n=9-2n
We simplify the equation to the form, which is simple to understand
3+4n=9-2n
We move all terms containing n to the left and all other terms to the right.
+4n+2n=+9-3
We simplify left and right side of the equation.
+6n=+6
We divide both sides of the equation by 6 to get n.
n=1
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