-91=7(k-8)+7

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Solution for -91=7(k-8)+7 equation: 



-91=7(k-8)+7

We move all terms to the left:

-91-(7(k-8)+7)=0



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

7(k-8)+7

We multiply parentheses

7k-56+7

We add all the numbers together, and all the variables

7k-49

Back to the equation:

-(7k-49)



We get rid of parentheses

-7k+49-91=0

We add all the numbers together, and all the variables

-7k-42=0

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

-7k=42

k=42/-7

k=-6

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