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5(5+4n)+8n=249
We move all terms to the left:
5(5+4n)+8n-(249)=0
We add all the numbers together, and all the variables
5(4n+5)+8n-249=0
We add all the numbers together, and all the variables
8n+5(4n+5)-249=0
We multiply parentheses
8n+20n+25-249=0
We add all the numbers together, and all the variables
28n-224=0
We move all terms containing n to the left, all other terms to the right
28n=224
n=224/28
n=8
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