8/9-x=21

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Solution for 8/9-x=21 equation: 



8/9-x=21

We move all terms to the left:

8/9-x-(21)=0

determiningTheFunctionDomain
-x-21+8/9=0

We add all the numbers together, and all the variables

-1x-21+8/9=0

We multiply all the terms by the denominator


-1x*9+8-21*9=0

We add all the numbers together, and all the variables

-1x*9-181=0

Wy multiply elements

-9x-181=0

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

-9x=181

x=181/-9

x=-20+1/9

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