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

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Solution for 9(x+9)=-9(1+x) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

9x-(-9(x+1))+81=0



We calculate terms in parentheses: -(-9(x+1)), so:

-9(x+1)

We multiply parentheses

-9x-9

Back to the equation:

-(-9x-9)



We get rid of parentheses

9x+9x+9+81=0

We add all the numbers together, and all the variables

18x+90=0

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

18x=-90

x=-90/18

x=-5

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