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30=k+(-23)
We move all terms to the left:
30-(k+(-23))=0
We calculate terms in parentheses: -(k+(-23)), so:We get rid of parentheses
k+(-23)
We add all the numbers together, and all the variables
k-23
Back to the equation:
-(k-23)
-k+23+30=0
We add all the numbers together, and all the variables
-1k+53=0
We move all terms containing k to the left, all other terms to the right
-k=-53
k=-53/-1
k=+53
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