3x-9=-39-9x

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Solution for 3x-9=-39-9x equation: 



3x-9=-39-9x

We move all terms to the left:

3x-9-(-39-9x)=0

We add all the numbers together, and all the variables

3x-(-9x-39)-9=0

We get rid of parentheses

3x+9x+39-9=0

We add all the numbers together, and all the variables

12x+30=0

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

12x=-30

x=-30/12

x=-2+1/2

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