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-7n-4=1-2
We move all terms to the left:
-7n-4-(1-2)=0
We add all the numbers together, and all the variables
-7n-4-(-1)=0
We add all the numbers together, and all the variables
-7n-3=0
We move all terms containing n to the left, all other terms to the right
-7n=3
n=3/-7
n=-3/7
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