-(x+9)=4(3-x)

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Solution for -(x+9)=4(3-x) equation: 



-(x+9)=4(3-x)

We move all terms to the left:

-(x+9)-(4(3-x))=0

We add all the numbers together, and all the variables

-(x+9)-(4(-1x+3))=0

We get rid of parentheses

-x-(4(-1x+3))-9=0



We calculate terms in parentheses: -(4(-1x+3)), so:

4(-1x+3)

We multiply parentheses

-4x+12

Back to the equation:

-(-4x+12)



We add all the numbers together, and all the variables

-1x-(-4x+12)-9=0

We get rid of parentheses

-1x+4x-12-9=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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