3x+9=-6x-27

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Solution for 3x+9=-6x-27 equation: 



3x+9=-6x-27

We move all terms to the left:

3x+9-(-6x-27)=0

We get rid of parentheses

3x+6x+27+9=0

We add all the numbers together, and all the variables

9x+36=0

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

9x=-36

x=-36/9

x=-4

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