7(-2n+6)+3n=3(-7-8n)+6n

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Solution for 7(-2n+6)+3n=3(-7-8n)+6n equation: 



7(-2n+6)+3n=3(-7-8n)+6n

We move all terms to the left:

7(-2n+6)+3n-(3(-7-8n)+6n)=0

We add all the numbers together, and all the variables

7(-2n+6)+3n-(3(-8n-7)+6n)=0

We add all the numbers together, and all the variables

3n+7(-2n+6)-(3(-8n-7)+6n)=0

We multiply parentheses

3n-14n-(3(-8n-7)+6n)+42=0



We calculate terms in parentheses: -(3(-8n-7)+6n), so:

3(-8n-7)+6n

We add all the numbers together, and all the variables

6n+3(-8n-7)

We multiply parentheses

6n-24n-21

We add all the numbers together, and all the variables

-18n-21

Back to the equation:

-(-18n-21)



We add all the numbers together, and all the variables

-11n-(-18n-21)+42=0

We get rid of parentheses

-11n+18n+21+42=0

We add all the numbers together, and all the variables

7n+63=0

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

7n=-63

n=-63/7

n=-9

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