7-2(4-3n)+8n=-(n+31)

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Solution for 7-2(4-3n)+8n=-(n+31) equation: 



7-2(4-3n)+8n=-(n+31)

We move all terms to the left:

7-2(4-3n)+8n-(-(n+31))=0

We add all the numbers together, and all the variables

-2(-3n+4)+8n-(-(n+31))+7=0

We add all the numbers together, and all the variables

8n-2(-3n+4)-(-(n+31))+7=0

We multiply parentheses

8n+6n-(-(n+31))-8+7=0



We calculate terms in parentheses: -(-(n+31)), so:

-(n+31)

We get rid of parentheses

-n-31

We add all the numbers together, and all the variables

-1n-31

Back to the equation:

-(-1n-31)



We add all the numbers together, and all the variables

14n-(-1n-31)-1=0

We get rid of parentheses

14n+1n+31-1=0

We add all the numbers together, and all the variables

15n+30=0

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

15n=-30

n=-30/15

n=-2

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