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6n+9=-2n+230
We move all terms to the left:
6n+9-(-2n+230)=0
We get rid of parentheses
6n+2n-230+9=0
We add all the numbers together, and all the variables
8n-221=0
We move all terms containing n to the left, all other terms to the right
8n=221
n=221/8
n=27+5/8
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