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6(k+31)=-12
We move all terms to the left:
6(k+31)-(-12)=0
We add all the numbers together, and all the variables
6(k+31)+12=0
We multiply parentheses
6k+186+12=0
We add all the numbers together, and all the variables
6k+198=0
We move all terms containing k to the left, all other terms to the right
6k=-198
k=-198/6
k=-33
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