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6n+9=-3n-29
We move all terms to the left:
6n+9-(-3n-29)=0
We get rid of parentheses
6n+3n+29+9=0
We add all the numbers together, and all the variables
9n+38=0
We move all terms containing n to the left, all other terms to the right
9n=-38
n=-38/9
n=-4+2/9
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