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-8n-20=2(-4n-8)
We move all terms to the left:
-8n-20-(2(-4n-8))=0
We calculate terms in parentheses: -(2(-4n-8)), so:We get rid of parentheses
2(-4n-8)
We multiply parentheses
-8n-16
Back to the equation:
-(-8n-16)
-8n+8n+16-20=0
We add all the numbers together, and all the variables
-4!=0
There is no solution for this equation
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