247=7(8k-4)-k

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Solution for 247=7(8k-4)-k equation: 



247=7(8k-4)-k

We move all terms to the left:

247-(7(8k-4)-k)=0



We calculate terms in parentheses: -(7(8k-4)-k), so:

7(8k-4)-k

We add all the numbers together, and all the variables

-1k+7(8k-4)

We multiply parentheses

-1k+56k-28

We add all the numbers together, and all the variables

55k-28

Back to the equation:

-(55k-28)



We get rid of parentheses

-55k+28+247=0

We add all the numbers together, and all the variables

-55k+275=0

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

-55k=-275

k=-275/-55

k=+5

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