k-1=7-7k

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Solution for k-1=7-7k equation: 



k-1=7-7k

We move all terms to the left:

k-1-(7-7k)=0

We add all the numbers together, and all the variables

k-(-7k+7)-1=0

We get rid of parentheses

k+7k-7-1=0

We add all the numbers together, and all the variables

8k-8=0

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

8k=8

k=8/8

k=1

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