15+20-2n=-17+2n

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Solution for 15+20-2n=-17+2n equation: 



15+20-2n=-17+2n

We move all terms to the left:

15+20-2n-(-17+2n)=0

We add all the numbers together, and all the variables

-2n-(2n-17)+15+20=0

We add all the numbers together, and all the variables

-2n-(2n-17)+35=0

We get rid of parentheses

-2n-2n+17+35=0

We add all the numbers together, and all the variables

-4n+52=0

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

-4n=-52

n=-52/-4

n=+13

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