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-6.9=-12.2+n
We move all terms to the left:
-6.9-(-12.2+n)=0
We add all the numbers together, and all the variables
-(n-12.2)-6.9=0
We get rid of parentheses
-n+12.2-6.9=0
We add all the numbers together, and all the variables
-1n+5.3=0
We move all terms containing n to the left, all other terms to the right
-n=-5.3
n=-5.3/-1
n=5+0.3/1
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