X-(x*9.9)=20

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Solution for X-(x*9.9)=20 equation: 



X-(X*9.9)=20

We move all terms to the left:

X-(X*9.9)-(20)=0

We add all the numbers together, and all the variables

X-(+X*9.9)-20=0

We get rid of parentheses

X-X*9.9-20=0

Wy multiply elements

X-9.9X-20=0

We add all the numbers together, and all the variables

-8.9X-20=0

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

-8.9X=20

X=20/-8.9

X=-2+1/4.0454545454545

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