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2/3n+7=9
We move all terms to the left:
2/3n+7-(9)=0
Domain of the equation: 3n!=0We add all the numbers together, and all the variables
n!=0/3
n!=0
n∈R
2/3n-2=0
We multiply all the terms by the denominator
-2*3n+2=0
Wy multiply elements
-6n+2=0
We move all terms containing n to the left, all other terms to the right
-6n=-2
n=-2/-6
n=1/3
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