(7n-1)-(-9n-7=)

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Solution for (7n-1)-(-9n-7=) equation: 



(7n-1)-(-9n-7=)

We move all terms to the left:

(7n-1)-(-9n-7-())=0

We get rid of parentheses

7n-(-9n-7-())-1=0



We calculate terms in parentheses: -(-9n-7-()), so:

-9n-7-()

We add all the numbers together, and all the variables

-9n

Back to the equation:

-(-9n)



We get rid of parentheses

7n+9n-1=0

We add all the numbers together, and all the variables

16n-1=0

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

16n=1

n=1/16

n=1/16

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