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-n+5n=12
We simplify the equation to the form, which is simple to understand
-n+5n=12
We move all terms containing n to the left and all other terms to the right.
-1n+5n=+12
We simplify left and right side of the equation.
+4n=+12
We divide both sides of the equation by 4 to get n.
n=3
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