56=7(k+3)

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Solution for 56=7(k+3) equation: 



56=7(k+3)

We move all terms to the left:

56-(7(k+3))=0



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

7(k+3)

We multiply parentheses

7k+21

Back to the equation:

-(7k+21)



We get rid of parentheses

-7k-21+56=0

We add all the numbers together, and all the variables

-7k+35=0

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

-7k=-35

k=-35/-7

k=+5

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