-20=13+k

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Solution for -20=13+k equation:



-20=13+k
We move all terms to the left:
-20-(13+k)=0
We add all the numbers together, and all the variables
-(k+13)-20=0
We get rid of parentheses
-k-13-20=0
We add all the numbers together, and all the variables
-1k-33=0
We move all terms containing k to the left, all other terms to the right
-k=33
k=33/-1
k=-33

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