12(4+n)+5(-2n-9)=19

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Solution for 12(4+n)+5(-2n-9)=19 equation: 



12(4+n)+5(-2n-9)=19

We move all terms to the left:

12(4+n)+5(-2n-9)-(19)=0

We add all the numbers together, and all the variables

12(n+4)+5(-2n-9)-19=0

We multiply parentheses

12n-10n+48-45-19=0

We add all the numbers together, and all the variables

2n-16=0

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

2n=16

n=16/2

n=8

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