2=-2(c+9)

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Solution for 2=-2(c+9) equation: 



2=-2(c+9)

We move all terms to the left:

2-(-2(c+9))=0



We calculate terms in parentheses: -(-2(c+9)), so:

-2(c+9)

We multiply parentheses

-2c-18

Back to the equation:

-(-2c-18)



We get rid of parentheses

2c+18+2=0

We add all the numbers together, and all the variables

2c+20=0

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

2c=-20

c=-20/2

c=-10

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