-12=42-6n

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Solution for -12=42-6n equation:



-12=42-6n
We move all terms to the left:
-12-(42-6n)=0
We add all the numbers together, and all the variables
-(-6n+42)-12=0
We get rid of parentheses
6n-42-12=0
We add all the numbers together, and all the variables
6n-54=0
We move all terms containing n to the left, all other terms to the right
6n=54
n=54/6
n=9

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