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-5n+9-3n=-4(2+n)
We move all terms to the left:
-5n+9-3n-(-4(2+n))=0
We add all the numbers together, and all the variables
-5n-3n-(-4(n+2))+9=0
We add all the numbers together, and all the variables
-8n-(-4(n+2))+9=0
We calculate terms in parentheses: -(-4(n+2)), so:We get rid of parentheses
-4(n+2)
We multiply parentheses
-4n-8
Back to the equation:
-(-4n-8)
-8n+4n+8+9=0
We add all the numbers together, and all the variables
-4n+17=0
We move all terms containing n to the left, all other terms to the right
-4n=-17
n=-17/-4
n=4+1/4
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