0.9=x+8.1

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Solution for 0.9=x+8.1 equation: 



0.9=x+8.1

We move all terms to the left:

0.9-(x+8.1)=0

We get rid of parentheses

-x-8.1+0.9=0

We add all the numbers together, and all the variables

-1x-7.2=0

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

-x=7.2

x=7.2/-1

x=-7+0.2/1

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