-7(4-7k)=-420

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Solution for -7(4-7k)=-420 equation: 



-7(4-7k)=-420

We move all terms to the left:

-7(4-7k)-(-420)=0

We add all the numbers together, and all the variables

-7(-7k+4)-(-420)=0

We add all the numbers together, and all the variables

-7(-7k+4)+420=0

We multiply parentheses

49k-28+420=0

We add all the numbers together, and all the variables

49k+392=0

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

49k=-392

k=-392/49

k=-8

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