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-(9k-7)=-4
We move all terms to the left:
-(9k-7)-(-4)=0
We add all the numbers together, and all the variables
-(9k-7)+4=0
We get rid of parentheses
-9k+7+4=0
We add all the numbers together, and all the variables
-9k+11=0
We move all terms containing k to the left, all other terms to the right
-9k=-11
k=-11/-9
k=1+2/9
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