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12k/3+7k=5
We move all terms to the left:
12k/3+7k-(5)=0
We add all the numbers together, and all the variables
7k+12k/3-5=0
We multiply all the terms by the denominator
7k*3+12k-5*3=0
We add all the numbers together, and all the variables
12k+7k*3-15=0
Wy multiply elements
12k+21k-15=0
We add all the numbers together, and all the variables
33k-15=0
We move all terms containing k to the left, all other terms to the right
33k=15
k=15/33
k=5/11
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