x/3=12+9

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Solution for x/3=12+9 equation: 



x/3=12+9

We move all terms to the left:

x/3-(12+9)=0

We add all the numbers together, and all the variables

x/3-21=0

We multiply all the terms by the denominator


x-21*3=0

We add all the numbers together, and all the variables

x-63=0

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

x=63

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