K(3)=-2x+-4

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Solution for K(3)=-2x+-4 equation: 



(3)=-2K+-4

We move all terms to the left:

(3)-(-2K+-4)=0

We add all the numbers together, and all the variables

-(-2K-4)+3=0

We get rid of parentheses

2K+4+3=0

We add all the numbers together, and all the variables

2K+7=0

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

2K=-7

K=-7/2

K=-3+1/2

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