8.1=8.9-04x

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Solution for 8.1=8.9-04x equation: 



8.1=8.9-04x

We move all terms to the left:

8.1-(8.9-04x)=0

We add all the numbers together, and all the variables

-(-4x+8.9)+8.1=0

We get rid of parentheses

4x-8.9+8.1=0

We add all the numbers together, and all the variables

4x-0.8=0

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

4x=0.8

x=0.8/4

x=0.8/4

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