3k/2-9=21

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Solution for 3k/2-9=21 equation: 



3k/2-9=21

We move all terms to the left:

3k/2-9-(21)=0

We add all the numbers together, and all the variables

3k/2-30=0

We multiply all the terms by the denominator


3k-30*2=0

We add all the numbers together, and all the variables

3k-60=0

We move all terms containing k to the left, all other terms to the right

3k=60

k=60/3

k=20

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