9(2c-9)=-4(2c+4)

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Solution for 9(2c-9)=-4(2c+4) equation: 



9(2c-9)=-4(2c+4)

We move all terms to the left:

9(2c-9)-(-4(2c+4))=0

We multiply parentheses

18c-(-4(2c+4))-81=0



We calculate terms in parentheses: -(-4(2c+4)), so:

-4(2c+4)

We multiply parentheses

-8c-16

Back to the equation:

-(-8c-16)



We get rid of parentheses

18c+8c+16-81=0

We add all the numbers together, and all the variables

26c-65=0

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

26c=65

c=65/26

c=2+1/2

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