7(4+3n)-(8+3n)=-16

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Solution for 7(4+3n)-(8+3n)=-16 equation: 



7(4+3n)-(8+3n)=-16

We move all terms to the left:

7(4+3n)-(8+3n)-(-16)=0

We add all the numbers together, and all the variables

7(3n+4)-(3n+8)-(-16)=0

We add all the numbers together, and all the variables

7(3n+4)-(3n+8)+16=0

We multiply parentheses

21n-(3n+8)+28+16=0

We get rid of parentheses

21n-3n-8+28+16=0

We add all the numbers together, and all the variables

18n+36=0

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

18n=-36

n=-36/18

n=-2

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