4+n-9=-8+2n+12

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Solution for 4+n-9=-8+2n+12 equation: 



4+n-9=-8+2n+12

We move all terms to the left:

4+n-9-(-8+2n+12)=0

We add all the numbers together, and all the variables

n-(2n+4)+4-9=0

We add all the numbers together, and all the variables

n-(2n+4)-5=0

We get rid of parentheses

n-2n-4-5=0

We add all the numbers together, and all the variables

-1n-9=0

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

-n=9

n=9/-1

n=-9

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