4k+63+3k=84

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Solution for 4k+63+3k=84 equation: 



4k+63+3k=84

We move all terms to the left:

4k+63+3k-(84)=0

We add all the numbers together, and all the variables

7k-21=0

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

7k=21

k=21/7

k=3

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