-2c+9+9=-9+7c

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Solution for -2c+9+9=-9+7c equation: 



-2c+9+9=-9+7c

We move all terms to the left:

-2c+9+9-(-9+7c)=0

We add all the numbers together, and all the variables

-2c-(7c-9)+9+9=0

We add all the numbers together, and all the variables

-2c-(7c-9)+18=0

We get rid of parentheses

-2c-7c+9+18=0

We add all the numbers together, and all the variables

-9c+27=0

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

-9c=-27

c=-27/-9

c=+3

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