21.00=x+9.00

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Solution for 21.00=x+9.00 equation: 



21.00=x+9.00

We move all terms to the left:

21.00-(x+9.00)=0

We add all the numbers together, and all the variables

-(x+9)+21.00=0

We add all the numbers together, and all the variables

-(x+9)+21=0

We get rid of parentheses

-x-9+21=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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