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10n-13=3n+8
We simplify the equation to the form, which is simple to understand
10n-13=3n+8
We move all terms containing n to the left and all other terms to the right.
+10n-3n=+8+13
We simplify left and right side of the equation.
+7n=+21
We divide both sides of the equation by 7 to get n.
n=3
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