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-11+281=9k-4(-6-8k)
We move all terms to the left:
-11+281-(9k-4(-6-8k))=0
We add all the numbers together, and all the variables
-(9k-4(-8k-6))-11+281=0
We add all the numbers together, and all the variables
-(9k-4(-8k-6))+270=0
We calculate terms in parentheses: -(9k-4(-8k-6)), so:We get rid of parentheses
9k-4(-8k-6)
We multiply parentheses
9k+32k+24
We add all the numbers together, and all the variables
41k+24
Back to the equation:
-(41k+24)
-41k-24+270=0
We add all the numbers together, and all the variables
-41k+246=0
We move all terms containing k to the left, all other terms to the right
-41k=-246
k=-246/-41
k=+6
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