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2+3n=13
We simplify the equation to the form, which is simple to understand
2+3n=13
We move all terms containing n to the left and all other terms to the right.
+3n=+13-2
We simplify left and right side of the equation.
+3n=+11
We divide both sides of the equation by 3 to get n.
n=3.6666666666667
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