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0=-3n+12-19n
We move all terms to the left:
0-(-3n+12-19n)=0
We add all the numbers together, and all the variables
-(-22n+12)+0=0
We add all the numbers together, and all the variables
-(-22n+12)=0
We get rid of parentheses
22n-12=0
We move all terms containing n to the left, all other terms to the right
22n=12
n=12/22
n=6/11
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