7k-8+7k=20

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Solution for 7k-8+7k=20 equation: 



7k-8+7k=20

We move all terms to the left:

7k-8+7k-(20)=0

We add all the numbers together, and all the variables

14k-28=0

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

14k=28

k=28/14

k=2

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