.9=x.21

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Solution for .9=x.21 equation: 



.9=x.21

We move all terms to the left:

.9-(x.21)=0

We add all the numbers together, and all the variables

-(+x.21)+.9=0

We add all the numbers together, and all the variables

-(+x.21)+0.9=0

We get rid of parentheses

-x.21+0.9=0

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

-x.21=-0.9

x=-0.9/1

x=-0.9

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