4+n-9=-9+1*2n+12

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Solution for 4+n-9=-9+1*2n+12 equation: 



4+n-9=-9+1*2n+12

We move all terms to the left:

4+n-9-(-9+1*2n+12)=0

We add all the numbers together, and all the variables

n-(1*2n+3)+4-9=0

We add all the numbers together, and all the variables

n-(1*2n+3)-5=0

We get rid of parentheses

n-1*2n-3-5=0

We add all the numbers together, and all the variables

n-1*2n-8=0

Wy multiply elements

n-2n-8=0

We add all the numbers together, and all the variables

-1n-8=0

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

-n=8

n=8/-1

n=-8

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