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8/n=2/n-4
We simplify the equation to the form, which is simple to understand
8/n=2/n-4
We move all terms containing n to the left and all other terms to the right.
+1n-1n=-4
We simplify left and right side of the equation.
n=-4
0=-4
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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