-0.2(2.05-2X)=0.9X

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Solution for -0.2(2.05-2X)=0.9X equation: 


Simplifying
-0.2(2.05 + -2X) = 0.9X
(2.05 * -0.2 + -2X * -0.2) = 0.9X
(-0.41 + 0.4X) = 0.9X

Solving
-0.41 + 0.4X = 0.9X

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-0.9X' to each side of the equation.
-0.41 + 0.4X + -0.9X = 0.9X + -0.9X

Combine like terms: 0.4X + -0.9X = -0.5X
-0.41 + -0.5X = 0.9X + -0.9X

Combine like terms: 0.9X + -0.9X = 0.0
-0.41 + -0.5X = 0.0

Add '0.41' to each side of the equation.
-0.41 + 0.41 + -0.5X = 0.0 + 0.41

Combine like terms: -0.41 + 0.41 = 0.00
0.00 + -0.5X = 0.0 + 0.41
-0.5X = 0.0 + 0.41

Combine like terms: 0.0 + 0.41 = 0.41
-0.5X = 0.41

Divide each side by '-0.5'.
X = -0.82

Simplifying
X = -0.82

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