-1=k+(-20)

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Solution for -1=k+(-20) equation: 



-1=k+(-20)

We move all terms to the left:

-1-(k+(-20))=0



We calculate terms in parentheses: -(k+(-20)), so:

k+(-20)

We add all the numbers together, and all the variables

k-20

Back to the equation:

-(k-20)



We get rid of parentheses

-k+20-1=0

We add all the numbers together, and all the variables

-1k+19=0

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

-k=-19

k=-19/-1

k=+19

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