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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