7.9=-x+9.4x+8.1

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Solution for 7.9=-x+9.4x+8.1 equation: 



7.9=-x+9.4x+8.1

We move all terms to the left:

7.9-(-x+9.4x+8.1)=0

We add all the numbers together, and all the variables

-(8.4x+8.1)+7.9=0

We get rid of parentheses

-8.4x-8.1+7.9=0

We add all the numbers together, and all the variables

-8.4x-0.2=0

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

-8.4x=0.2

x=0.2/-8.4

x=-0.2/8.4

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