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4+11-7n=-13
We simplify the equation to the form, which is simple to understand
4+11-7n=-13
We move all terms containing n to the left and all other terms to the right.
-7n=-13-4-11
We simplify left and right side of the equation.
-7n=-28
We divide both sides of the equation by -7 to get n.
n=4
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