x/2-12=9

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Solution for x/2-12=9 equation: 



x/2-12=9

We move all terms to the left:

x/2-12-(9)=0

We add all the numbers together, and all the variables

x/2-21=0

We multiply all the terms by the denominator


x-21*2=0

We add all the numbers together, and all the variables

x-42=0

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

x=42

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