86=-5+7(2k+5)

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Solution for 86=-5+7(2k+5) equation: 



86=-5+7(2k+5)

We move all terms to the left:

86-(-5+7(2k+5))=0



We calculate terms in parentheses: -(-5+7(2k+5)), so:

-5+7(2k+5)

determiningTheFunctionDomain
7(2k+5)-5

We multiply parentheses

14k+35-5

We add all the numbers together, and all the variables

14k+30

Back to the equation:

-(14k+30)



We get rid of parentheses

-14k-30+86=0

We add all the numbers together, and all the variables

-14k+56=0

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

-14k=-56

k=-56/-14

k=+4

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