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-1.2n-6.4=-1.6
We move all terms to the left:
-1.2n-6.4-(-1.6)=0
We add all the numbers together, and all the variables
-1.2n-4.8=0
We move all terms containing n to the left, all other terms to the right
-1.2n=4.8
n=4.8/-1.2
n=-4
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