k-k+2k=4

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Solution for k-k+2k=4 equation: 



k-k+2k=4

We move all terms to the left:

k-k+2k-(4)=0

We add all the numbers together, and all the variables

2k-4=0

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

2k=4

k=4/2

k=2

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