1-x=0.81

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Solution for 1-x=0.81 equation: 


Simplifying
1 + -1x = 0.81

Solving
1 + -1x = 0.81

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + -1x = 0.81 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = 0.81 + -1
-1x = 0.81 + -1

Combine like terms: 0.81 + -1 = -0.19
-1x = -0.19

Divide each side by '-1'.
x = 0.19

Simplifying
x = 0.19

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