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2k+12=2(3k+4)
We move all terms to the left:
2k+12-(2(3k+4))=0
We calculate terms in parentheses: -(2(3k+4)), so:We get rid of parentheses
2(3k+4)
We multiply parentheses
6k+8
Back to the equation:
-(6k+8)
2k-6k-8+12=0
We add all the numbers together, and all the variables
-4k+4=0
We move all terms containing k to the left, all other terms to the right
-4k=-4
k=-4/-4
k=1
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