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2n+1+2n+1+2n+1=99
We simplify the equation to the form, which is simple to understand
2n+1+2n+1+2n+1=99
We move all terms containing n to the left and all other terms to the right.
+2n+2n+2n=+99-1-1-1
We simplify left and right side of the equation.
+6n=+96
We divide both sides of the equation by 6 to get n.
n=16
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