2=7(3+9f)

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Solution for 2=7(3+9f) equation: 



2=7(3+9f)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(7(9f+3)), so:

7(9f+3)

We multiply parentheses

63f+21

Back to the equation:

-(63f+21)



We get rid of parentheses

-63f-21+2=0

We add all the numbers together, and all the variables

-63f-19=0

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

-63f=19

f=19/-63

f=-19/63

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