4(8+5n)-12=-12(9-n)

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Solution for 4(8+5n)-12=-12(9-n) equation: 



4(8+5n)-12=-12(9-n)

We move all terms to the left:

4(8+5n)-12-(-12(9-n))=0

We add all the numbers together, and all the variables

4(5n+8)-(-12(-1n+9))-12=0

We multiply parentheses

20n-(-12(-1n+9))+32-12=0



We calculate terms in parentheses: -(-12(-1n+9)), so:

-12(-1n+9)

We multiply parentheses

12n-108

Back to the equation:

-(12n-108)



We add all the numbers together, and all the variables

20n-(12n-108)+20=0

We get rid of parentheses

20n-12n+108+20=0

We add all the numbers together, and all the variables

8n+128=0

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

8n=-128

n=-128/8

n=-16

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