3(9-x)=-9

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



3(9-x)=-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(-1x+9)-(-9)=0

We add all the numbers together, and all the variables

3(-1x+9)+9=0

We multiply parentheses

-3x+27+9=0

We add all the numbers together, and all the variables

-3x+36=0

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

-3x=-36

x=-36/-3

x=+12

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