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n+1-7n=13
We simplify the equation to the form, which is simple to understand
n+1-7n=13
We move all terms containing n to the left and all other terms to the right.
+1n-7n=+13-1
We simplify left and right side of the equation.
-6n=+12
We divide both sides of the equation by -6 to get n.
n=-2
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