7=-2(7k+6)+5(-7k-6)

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Solution for 7=-2(7k+6)+5(-7k-6) equation: 



7=-2(7k+6)+5(-7k-6)

We move all terms to the left:

7-(-2(7k+6)+5(-7k-6))=0



We calculate terms in parentheses: -(-2(7k+6)+5(-7k-6)), so:

-2(7k+6)+5(-7k-6)

We multiply parentheses

-14k-35k-12-30

We add all the numbers together, and all the variables

-49k-42

Back to the equation:

-(-49k-42)



We get rid of parentheses

49k+42+7=0

We add all the numbers together, and all the variables

49k+49=0

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

49k=-49

k=-49/49

k=-1

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