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n+2n+(2n+5)=200
We simplify the equation to the form, which is simple to understand
n+2n+(2n+5)=200
Remove unnecessary parentheses
+n+2n+2n+5=+200
We move all terms containing n to the left and all other terms to the right.
+1n+2n+2n=+200-5
We simplify left and right side of the equation.
+5n=+195
We divide both sides of the equation by 5 to get n.
n=39
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