k+1=2k-1

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Solution for k+1=2k-1 equation: 



k+1=2k-1

We move all terms to the left:

k+1-(2k-1)=0

We get rid of parentheses

k-2k+1+1=0

We add all the numbers together, and all the variables

-1k+2=0

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

-k=-2

k=-2/-1

k=+2

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