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-(n+1)-1=-3n+8
We simplify the equation to the form, which is simple to understand
-(n+1)-1=-3n+8
Remove unnecessary parentheses
-1n-1-1=-3n+8
We move all terms containing n to the left and all other terms to the right.
-1n+3n=+8+1+1
We simplify left and right side of the equation.
+2n=+10
We divide both sides of the equation by 2 to get n.
n=5
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