115=3+8(k+7)

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Solution for 115=3+8(k+7) equation: 



115=3+8(k+7)

We move all terms to the left:

115-(3+8(k+7))=0



We calculate terms in parentheses: -(3+8(k+7)), so:

3+8(k+7)

determiningTheFunctionDomain
8(k+7)+3

We multiply parentheses

8k+56+3

We add all the numbers together, and all the variables

8k+59

Back to the equation:

-(8k+59)



We get rid of parentheses

-8k-59+115=0

We add all the numbers together, and all the variables

-8k+56=0

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

-8k=-56

k=-56/-8

k=+7

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