3l/2+9=21

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Solution for 3l/2+9=21 equation: 



3l/2+9=21

We move all terms to the left:

3l/2+9-(21)=0

We add all the numbers together, and all the variables

3l/2-12=0

We multiply all the terms by the denominator


3l-12*2=0

We add all the numbers together, and all the variables

3l-24=0

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

3l=24

l=24/3

l=8

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