3n+8=-9n-28

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Solution for 3n+8=-9n-28 equation: 



3n+8=-9n-28

We move all terms to the left:

3n+8-(-9n-28)=0

We get rid of parentheses

3n+9n+28+8=0

We add all the numbers together, and all the variables

12n+36=0

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

12n=-36

n=-36/12

n=-3

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