-7-5k=7-7k=4k

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Solution for -7-5k=7-7k=4k equation: 



-7-5k=7-7k=4k

We move all terms to the left:

-7-5k-(7-7k)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-5k+7k-7-7=0

We add all the numbers together, and all the variables

2k-14=0

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

2k=14

k=14/2

k=7

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