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-2(k+2)=-8
We move all terms to the left:
-2(k+2)-(-8)=0
We add all the numbers together, and all the variables
-2(k+2)+8=0
We multiply parentheses
-2k-4+8=0
We add all the numbers together, and all the variables
-2k+4=0
We move all terms containing k to the left, all other terms to the right
-2k=-4
k=-4/-2
k=+2
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