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5k+12=2(4k-1)
We move all terms to the left:
5k+12-(2(4k-1))=0
We calculate terms in parentheses: -(2(4k-1)), so:We get rid of parentheses
2(4k-1)
We multiply parentheses
8k-2
Back to the equation:
-(8k-2)
5k-8k+2+12=0
We add all the numbers together, and all the variables
-3k+14=0
We move all terms containing k to the left, all other terms to the right
-3k=-14
k=-14/-3
k=4+2/3
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