19+n+20n=19n-15

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Solution for 19+n+20n=19n-15 equation: 



19+n+20n=19n-15

We move all terms to the left:

19+n+20n-(19n-15)=0

We add all the numbers together, and all the variables

21n-(19n-15)+19=0

We get rid of parentheses

21n-19n+15+19=0

We add all the numbers together, and all the variables

2n+34=0

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

2n=-34

n=-34/2

n=-17

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