7c+9=-7-c

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



7c+9=-7-c

We move all terms to the left:

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

We add all the numbers together, and all the variables

7c-(-1c-7)+9=0

We get rid of parentheses

7c+1c+7+9=0

We add all the numbers together, and all the variables

8c+16=0

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

8c=-16

c=-16/8

c=-2

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