3(8-k)-7=13-(8-k)

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Solution for 3(8-k)-7=13-(8-k) equation: 



3(8-k)-7=13-(8-k)

We move all terms to the left:

3(8-k)-7-(13-(8-k))=0

We add all the numbers together, and all the variables

3(-1k+8)-(13-(-1k+8))-7=0

We multiply parentheses

-3k-(13-(-1k+8))+24-7=0



We calculate terms in parentheses: -(13-(-1k+8)), so:

13-(-1k+8)

determiningTheFunctionDomain
-(-1k+8)+13

We get rid of parentheses

1k-8+13

We add all the numbers together, and all the variables

k+5

Back to the equation:

-(k+5)



We add all the numbers together, and all the variables

-3k-(k+5)+17=0

We get rid of parentheses

-3k-k-5+17=0

We add all the numbers together, and all the variables

-4k+12=0

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

-4k=-12

k=-12/-4

k=+3

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