7k-15=42

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Solution for 7k-15=42 equation: 



7k-15=42

We move all terms to the left:

7k-15-(42)=0

We add all the numbers together, and all the variables

7k-57=0

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

7k=57

k=57/7

k=8+1/7

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