7k-4=3k-k

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Solution for 7k-4=3k-k equation: 



7k-4=3k-k

We move all terms to the left:

7k-4-(3k-k)=0

We add all the numbers together, and all the variables

7k-(+2k)-4=0

We get rid of parentheses

7k-2k-4=0

We add all the numbers together, and all the variables

5k-4=0

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

5k=4

k=4/5

k=4/5

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