12-(3n-7)+8n=-2(4-3n)

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Solution for 12-(3n-7)+8n=-2(4-3n) equation: 



12-(3n-7)+8n=-2(4-3n)

We move all terms to the left:

12-(3n-7)+8n-(-2(4-3n))=0

We add all the numbers together, and all the variables

-(3n-7)+8n-(-2(-3n+4))+12=0

We add all the numbers together, and all the variables

8n-(3n-7)-(-2(-3n+4))+12=0

We get rid of parentheses

8n-3n-(-2(-3n+4))+7+12=0



We calculate terms in parentheses: -(-2(-3n+4)), so:

-2(-3n+4)

We multiply parentheses

6n-8

Back to the equation:

-(6n-8)



We add all the numbers together, and all the variables

5n-(6n-8)+19=0

We get rid of parentheses

5n-6n+8+19=0

We add all the numbers together, and all the variables

-1n+27=0

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

-n=-27

n=-27/-1

n=+27

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