3x/2+9=21

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



3x/2+9=21

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x/2-12=0

We multiply all the terms by the denominator


3x-12*2=0

We add all the numbers together, and all the variables

3x-24=0

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

3x=24

x=24/3

x=8

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