-3=-9+n/7

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Solution for -3=-9+n/7 equation: 



-3=-9+n/7

We move all terms to the left:

-3-(-9+n/7)=0

We add all the numbers together, and all the variables

-(n/7-9)-3=0

We get rid of parentheses

-n/7+9-3=0

We multiply all the terms by the denominator


-n+9*7-3*7=0

We add all the numbers together, and all the variables

-1n+42=0

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

-n=-42

n=-42/-1

n=+42

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