1+k=-1-k

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



1+k=-1-k

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

k+1k+1+1=0

We add all the numbers together, and all the variables

2k+2=0

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

2k=-2

k=-2/2

k=-1

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