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3n-5n=9
We simplify the equation to the form, which is simple to understand
3n-5n=9
We move all terms containing n to the left and all other terms to the right.
+3n-5n=+9
We simplify left and right side of the equation.
-2n=+9
We divide both sides of the equation by -2 to get n.
n=-4.5
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