7k+3.1=k+9

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Solution for 7k+3.1=k+9 equation: 



7k+3.1=k+9

We move all terms to the left:

7k+3.1-(k+9)=0

We get rid of parentheses

7k-k-9+3.1=0

We add all the numbers together, and all the variables

6k-5.9=0

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

6k=5.9

k=5.9/6

k=3.1052631578947/3.1578947368421

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