3(-3x-9)=-15

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Solution for 3(-3x-9)=-15 equation: 



3(-3x-9)=-15

We move all terms to the left:

3(-3x-9)-(-15)=0

We add all the numbers together, and all the variables

3(-3x-9)+15=0

We multiply parentheses

-9x-27+15=0

We add all the numbers together, and all the variables

-9x-12=0

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

-9x=12

x=12/-9

x=-1+1/3

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