7=-5(n-4)-3.

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Solution for 7=-5(n-4)-3. equation: 



7=-5(n-4)-3.

We move all terms to the left:

7-(-5(n-4)-3.)=0



We calculate terms in parentheses: -(-5(n-4)-3.), so:

-5(n-4)-3.

We add all the numbers together, and all the variables

-5(n-4)-3

We multiply parentheses

-5n+20-3

We add all the numbers together, and all the variables

-5n+17

Back to the equation:

-(-5n+17)



We get rid of parentheses

5n-17+7=0

We add all the numbers together, and all the variables

5n-10=0

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

5n=10

n=10/5

n=2

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