3-4(5+7k)=-129

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Solution for 3-4(5+7k)=-129 equation: 



3-4(5+7k)=-129

We move all terms to the left:

3-4(5+7k)-(-129)=0

We add all the numbers together, and all the variables

-4(7k+5)+3-(-129)=0

We add all the numbers together, and all the variables

-4(7k+5)+132=0

We multiply parentheses

-28k-20+132=0

We add all the numbers together, and all the variables

-28k+112=0

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

-28k=-112

k=-112/-28

k=+4

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