9c+9=-9(-c-1)

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



9c+9=-9(-c-1)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-9(-1c-1)

We multiply parentheses

9c+9

Back to the equation:

-(9c+9)



We get rid of parentheses

9c-9c-9+9=0

We add all the numbers together, and all the variables

=0

c=0/1

c=0

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