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2-(n+4)=20
We simplify the equation to the form, which is simple to understand
2-(n+4)=20
Remove unnecessary parentheses
2-1n-4=20
We move all terms containing n to the left and all other terms to the right.
-1n=+20-2+4
We simplify left and right side of the equation.
-1n=+22
We divide both sides of the equation by -1 to get n.
n=-22
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