-n/3-9=21

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Solution for -n/3-9=21 equation: 



-n/3-9=21

We move all terms to the left:

-n/3-9-(21)=0

We add all the numbers together, and all the variables

-n/3-30=0

We multiply all the terms by the denominator


-n-30*3=0

We add all the numbers together, and all the variables

-1n-90=0

We move all terms containing n to the left, all other terms to the right

-n=90

n=90/-1

n=-90

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