A=-7/n-7

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Solution for A=-7/n-7 equation: 



=-7/A-7

We move all terms to the left:

-(-7/A-7)=0



Domain of the equation: A-7)!=0

A∈R



We get rid of parentheses

7/A+7=0

We multiply all the terms by the denominator


7*A+7=0

We add all the numbers together, and all the variables

7A+7=0

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

7A=-7

A=-7/7

A=-1

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