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7(k-5)=-4k-2
We move all terms to the left:
7(k-5)-(-4k-2)=0
We multiply parentheses
7k-(-4k-2)-35=0
We get rid of parentheses
7k+4k+2-35=0
We add all the numbers together, and all the variables
11k-33=0
We move all terms containing k to the left, all other terms to the right
11k=33
k=33/11
k=3
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