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k/2-13=-10
We move all terms to the left:
k/2-13-(-10)=0
We add all the numbers together, and all the variables
k/2-3=0
We multiply all the terms by the denominator
k-3*2=0
We add all the numbers together, and all the variables
k-6=0
We move all terms containing k to the left, all other terms to the right
k=6
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