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6n-4(3n+9)=5-12
We move all terms to the left:
6n-4(3n+9)-(5-12)=0
We add all the numbers together, and all the variables
6n-4(3n+9)-(-7)=0
We add all the numbers together, and all the variables
6n-4(3n+9)+7=0
We multiply parentheses
6n-12n-36+7=0
We add all the numbers together, and all the variables
-6n-29=0
We move all terms containing n to the left, all other terms to the right
-6n=29
n=29/-6
n=-4+5/6
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