3c-81=2(3c+18)

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Solution for 3c-81=2(3c+18) equation: 



3c-81=2(3c+18)

We move all terms to the left:

3c-81-(2(3c+18))=0



We calculate terms in parentheses: -(2(3c+18)), so:

2(3c+18)

We multiply parentheses

6c+36

Back to the equation:

-(6c+36)



We get rid of parentheses

3c-6c-36-81=0

We add all the numbers together, and all the variables

-3c-117=0

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

-3c=117

c=117/-3

c=-39

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