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7(4+7n)=28-3n
We move all terms to the left:
7(4+7n)-(28-3n)=0
We add all the numbers together, and all the variables
7(7n+4)-(-3n+28)=0
We multiply parentheses
49n-(-3n+28)+28=0
We get rid of parentheses
49n+3n-28+28=0
We add all the numbers together, and all the variables
52n=0
n=0/52
n=0
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