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6.7(k+7.9)=31.3
We move all terms to the left:
6.7(k+7.9)-(31.3)=0
We add all the numbers together, and all the variables
6.7(k+7.9)-31.3=0
We multiply parentheses
6.7k+52.93-31.3=0
We add all the numbers together, and all the variables
6.7k+21.63=0
We move all terms containing k to the left, all other terms to the right
6.7k=-21.63
k=-21.63/6.7
k=-3+1/4.37908496732
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