-1/2(k-4.2)=2

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Solution for -1/2(k-4.2)=2 equation: 



-1/2(k-4.2)=2

We move all terms to the left:

-1/2(k-4.2)-(2)=0



Domain of the equation: 2(k-4.2)!=0

k∈R



We multiply all the terms by the denominator


-2*2(k-4.2)-1=0

Wy multiply elements

-4k(k-1=0

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