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-37-7n=-42-6n
We move all terms to the left:
-37-7n-(-42-6n)=0
We add all the numbers together, and all the variables
-7n-(-6n-42)-37=0
We get rid of parentheses
-7n+6n+42-37=0
We add all the numbers together, and all the variables
-1n+5=0
We move all terms containing n to the left, all other terms to the right
-n=-5
n=-5/-1
n=+5
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