-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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