21-x/3=9

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Solution for 21-x/3=9 equation: 



21-x/3=9

We move all terms to the left:

21-x/3-(9)=0

We add all the numbers together, and all the variables

-x/3+12=0

We multiply all the terms by the denominator


-x+12*3=0

We add all the numbers together, and all the variables

-1x+36=0

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

-x=-36

x=-36/-1

x=+36

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