20-6n=4(n+8)-7n

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Solution for 20-6n=4(n+8)-7n equation: 



20-6n=4(n+8)-7n

We move all terms to the left:

20-6n-(4(n+8)-7n)=0



We calculate terms in parentheses: -(4(n+8)-7n), so:

4(n+8)-7n

We add all the numbers together, and all the variables

-7n+4(n+8)

We multiply parentheses

-7n+4n+32

We add all the numbers together, and all the variables

-3n+32

Back to the equation:

-(-3n+32)



We get rid of parentheses

-6n+3n-32+20=0

We add all the numbers together, and all the variables

-3n-12=0

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

-3n=12

n=12/-3

n=-4

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