-111=3(-7+5k)

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Solution for -111=3(-7+5k) equation:



-111=3(-7+5k)
We move all terms to the left:
-111-(3(-7+5k))=0
We add all the numbers together, and all the variables
-(3(5k-7))-111=0
We calculate terms in parentheses: -(3(5k-7)), so:
3(5k-7)
We multiply parentheses
15k-21
Back to the equation:
-(15k-21)
We get rid of parentheses
-15k+21-111=0
We add all the numbers together, and all the variables
-15k-90=0
We move all terms containing k to the left, all other terms to the right
-15k=90
k=90/-15
k=-6

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