x+9=-3x-27

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Solution for x+9=-3x-27 equation: 



x+9=-3x-27

We move all terms to the left:

x+9-(-3x-27)=0

We get rid of parentheses

x+3x+27+9=0

We add all the numbers together, and all the variables

4x+36=0

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

4x=-36

x=-36/4

x=-9

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