7k-4=10k-25

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Solution for 7k-4=10k-25 equation: 



7k-4=10k-25

We move all terms to the left:

7k-4-(10k-25)=0

We get rid of parentheses

7k-10k+25-4=0

We add all the numbers together, and all the variables

-3k+21=0

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

-3k=-21

k=-21/-3

k=+7

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