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-6(7+3n)-5=-137
We move all terms to the left:
-6(7+3n)-5-(-137)=0
We add all the numbers together, and all the variables
-6(3n+7)-5-(-137)=0
We add all the numbers together, and all the variables
-6(3n+7)+132=0
We multiply parentheses
-18n-42+132=0
We add all the numbers together, and all the variables
-18n+90=0
We move all terms containing n to the left, all other terms to the right
-18n=-90
n=-90/-18
n=+5
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