-3(7+7k)=-1+5(4-7k)

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Solution for -3(7+7k)=-1+5(4-7k) equation: 



-3(7+7k)=-1+5(4-7k)

We move all terms to the left:

-3(7+7k)-(-1+5(4-7k))=0

We add all the numbers together, and all the variables

-3(7k+7)-(-1+5(-7k+4))=0

We multiply parentheses

-21k-(-1+5(-7k+4))-21=0



We calculate terms in parentheses: -(-1+5(-7k+4)), so:

-1+5(-7k+4)

determiningTheFunctionDomain
5(-7k+4)-1

We multiply parentheses

-35k+20-1

We add all the numbers together, and all the variables

-35k+19

Back to the equation:

-(-35k+19)



We get rid of parentheses

-21k+35k-19-21=0

We add all the numbers together, and all the variables

14k-40=0

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

14k=40

k=40/14

k=2+6/7

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