2n+9=-5n-2

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Solution for 2n+9=-5n-2 equation: 



2n+9=-5n-2

We move all terms to the left:

2n+9-(-5n-2)=0

We get rid of parentheses

2n+5n+2+9=0

We add all the numbers together, and all the variables

7n+11=0

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

7n=-11

n=-11/7

n=-1+4/7

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