21-x/3=x-6

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Solution for 21-x/3=x-6 equation: 



21-x/3=x-6

We move all terms to the left:

21-x/3-(x-6)=0

We get rid of parentheses

-x/3-x+6+21=0

We multiply all the terms by the denominator


-x-x*3+6*3+21*3=0

We add all the numbers together, and all the variables

-1x-x*3+81=0

Wy multiply elements

-1x-3x+81=0

We add all the numbers together, and all the variables

-4x+81=0

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

-4x=-81

x=-81/-4

x=20+1/4

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