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(4n+3)+2n=20-7
We move all terms to the left:
(4n+3)+2n-(20-7)=0
We add all the numbers together, and all the variables
(4n+3)+2n-13=0
We add all the numbers together, and all the variables
2n+(4n+3)-13=0
We get rid of parentheses
2n+4n+3-13=0
We add all the numbers together, and all the variables
6n-10=0
We move all terms containing n to the left, all other terms to the right
6n=10
n=10/6
n=1+2/3
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