2(2x+3)=-(x+9)

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Solution for 2(2x+3)=-(x+9) equation: 



2(2x+3)=-(x+9)

We move all terms to the left:

2(2x+3)-(-(x+9))=0

We multiply parentheses

4x-(-(x+9))+6=0



We calculate terms in parentheses: -(-(x+9)), so:

-(x+9)

We get rid of parentheses

-x-9

We add all the numbers together, and all the variables

-1x-9

Back to the equation:

-(-1x-9)



We get rid of parentheses

4x+1x+9+6=0

We add all the numbers together, and all the variables

5x+15=0

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

5x=-15

x=-15/5

x=-3

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