8+2n+3n=-4+9n

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Solution for 8+2n+3n=-4+9n equation: 



8+2n+3n=-4+9n

We move all terms to the left:

8+2n+3n-(-4+9n)=0

We add all the numbers together, and all the variables

2n+3n-(9n-4)+8=0

We add all the numbers together, and all the variables

5n-(9n-4)+8=0

We get rid of parentheses

5n-9n+4+8=0

We add all the numbers together, and all the variables

-4n+12=0

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

-4n=-12

n=-12/-4

n=+3

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