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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(3(2c+1)), so:

3(2c+1)

We multiply parentheses

6c+3

Back to the equation:

-(6c+3)



We get rid of parentheses

-7c-6c-3+9=0

We add all the numbers together, and all the variables

-13c+6=0

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

-13c=-6

c=-6/-13

c=6/13

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