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-3-5n-n=15
We simplify the equation to the form, which is simple to understand
-3-5n-n=15
We move all terms containing n to the left and all other terms to the right.
-5n-1n=+15+3
We simplify left and right side of the equation.
-6n=+18
We divide both sides of the equation by -6 to get n.
n=-3
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