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5n+3+4+n=30
We simplify the equation to the form, which is simple to understand
5n+3+4+n=30
We move all terms containing n to the left and all other terms to the right.
+5n+1n=+30-3-4
We simplify left and right side of the equation.
+6n=+23
We divide both sides of the equation by 6 to get n.
n=3.83333333333
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