8-2k=-42

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Solution for 8-2k=-42 equation: 



8-2k=-42

We move all terms to the left:

8-2k-(-42)=0

We add all the numbers together, and all the variables

-2k+50=0

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

-2k=-50

k=-50/-2

k=+25

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