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2n-21=n/6
We simplify the equation to the form, which is simple to understand
2n-21=n/6
We move all terms containing n to the left and all other terms to the right.
+2n-0.16666666666667n=+21
We simplify left and right side of the equation.
+1.8333333333333n=+21
We divide both sides of the equation by 1.8333333333333 to get n.
n=11.454545454545
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