-7-c=9-9c

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



-7-c=9-9c

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1c+9c-9-7=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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