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5+k/3=3
We move all terms to the left:
5+k/3-(3)=0
We add all the numbers together, and all the variables
k/3+2=0
We multiply all the terms by the denominator
k+2*3=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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