7k+3.1=k+7

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



7k+3.1=k+7

We move all terms to the left:

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

We get rid of parentheses

7k-k-7+3.1=0

We add all the numbers together, and all the variables

6k-3.9=0

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

6k=3.9

k=3.9/6

k=1/1.5384615384615

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