9(c-1)-3c=7(2c-7)

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Solution for 9(c-1)-3c=7(2c-7) equation: 



9(c-1)-3c=7(2c-7)

We move all terms to the left:

9(c-1)-3c-(7(2c-7))=0

We add all the numbers together, and all the variables

-3c+9(c-1)-(7(2c-7))=0

We multiply parentheses

-3c+9c-(7(2c-7))-9=0



We calculate terms in parentheses: -(7(2c-7)), so:

7(2c-7)

We multiply parentheses

14c-49

Back to the equation:

-(14c-49)



We add all the numbers together, and all the variables

6c-(14c-49)-9=0

We get rid of parentheses

6c-14c+49-9=0

We add all the numbers together, and all the variables

-8c+40=0

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

-8c=-40

c=-40/-8

c=+5

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