-9=-7(7k+3)+4(5k+3)

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Solution for -9=-7(7k+3)+4(5k+3) equation: 



-9=-7(7k+3)+4(5k+3)

We move all terms to the left:

-9-(-7(7k+3)+4(5k+3))=0



We calculate terms in parentheses: -(-7(7k+3)+4(5k+3)), so:

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

We multiply parentheses

-49k+20k-21+12

We add all the numbers together, and all the variables

-29k-9

Back to the equation:

-(-29k-9)



We get rid of parentheses

29k+9-9=0

We add all the numbers together, and all the variables

29k=0

k=0/29

k=0

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