2x+9=-10x+(-9)

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Solution for 2x+9=-10x+(-9) equation: 



2x+9=-10x+(-9)

We move all terms to the left:

2x+9-(-10x+(-9))=0



We calculate terms in parentheses: -(-10x+(-9)), so:

-10x+(-9)

We add all the numbers together, and all the variables

-10x-9

Back to the equation:

-(-10x-9)



We get rid of parentheses

2x+10x+9+9=0

We add all the numbers together, and all the variables

12x+18=0

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

12x=-18

x=-18/12

x=-1+1/2

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