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n*2-8n+39=0
We add all the numbers together, and all the variables
-8n+n*2+39=0
Wy multiply elements
-8n+2n+39=0
We add all the numbers together, and all the variables
-6n+39=0
We move all terms containing n to the left, all other terms to the right
-6n=-39
n=-39/-6
n=6+1/2
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