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-61-20=-2n+4(1-3n)
We move all terms to the left:
-61-20-(-2n+4(1-3n))=0
We add all the numbers together, and all the variables
-(-2n+4(-3n+1))-61-20=0
We add all the numbers together, and all the variables
-(-2n+4(-3n+1))-81=0
We calculate terms in parentheses: -(-2n+4(-3n+1)), so:We get rid of parentheses
-2n+4(-3n+1)
We multiply parentheses
-2n-12n+4
We add all the numbers together, and all the variables
-14n+4
Back to the equation:
-(-14n+4)
14n-4-81=0
We add all the numbers together, and all the variables
14n-85=0
We move all terms containing n to the left, all other terms to the right
14n=85
n=85/14
n=6+1/14
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