K(x)+3x=4

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Solution for K(x)+3x=4 equation: 



(K)+3K=4

We move all terms to the left:

(K)+3K-(4)=0

We add all the numbers together, and all the variables

4K-4=0

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

4K=4

K=4/4

K=1

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