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0.80n-17+n=2n-9-0.4n
We simplify the equation to the form, which is simple to understand
0.80n-17+n=2n-9-0.4n
We move all terms containing n to the left and all other terms to the right.
+ 0.8n+1n-2n + 0.4n=-9+17
We simplify left and right side of the equation.
+ 0.2n=+8
We divide both sides of the equation by 0.2 to get n.
n=40
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