-7(6-7k)+5k=-420

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Solution for -7(6-7k)+5k=-420 equation: 



-7(6-7k)+5k=-420

We move all terms to the left:

-7(6-7k)+5k-(-420)=0

We add all the numbers together, and all the variables

-7(-7k+6)+5k-(-420)=0

We add all the numbers together, and all the variables

5k-7(-7k+6)+420=0

We multiply parentheses

5k+49k-42+420=0

We add all the numbers together, and all the variables

54k+378=0

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

54k=-378

k=-378/54

k=-7

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