-5(-3k-2)-7(1+5k)=-77

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Solution for -5(-3k-2)-7(1+5k)=-77 equation: 



-5(-3k-2)-7(1+5k)=-77

We move all terms to the left:

-5(-3k-2)-7(1+5k)-(-77)=0

We add all the numbers together, and all the variables

-5(-3k-2)-7(5k+1)-(-77)=0

We add all the numbers together, and all the variables

-5(-3k-2)-7(5k+1)+77=0

We multiply parentheses

15k-35k+10-7+77=0

We add all the numbers together, and all the variables

-20k+80=0

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

-20k=-80

k=-80/-20

k=+4

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