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6(n+7)-20=6n
We simplify the equation to the form, which is simple to understand
6(n+7)-20=6n
Reorder the terms in parentheses
+(+6n+42)-20=6n
Remove unnecessary parentheses
+6n+42-20=+6n
We move all terms containing n to the left and all other terms to the right.
+6n-6n=-42+20
We simplify left and right side of the equation.
n=-22
0=-22
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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