20.1-x=18

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Solution for 20.1-x=18 equation: 


Simplifying
20.1 + -1x = 18

Solving
20.1 + -1x = 18

Solving for variable 'x'.

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

Add '-20.1' to each side of the equation.
20.1 + -20.1 + -1x = 18 + -20.1

Combine like terms: 20.1 + -20.1 = 0.0
0.0 + -1x = 18 + -20.1
-1x = 18 + -20.1

Combine like terms: 18 + -20.1 = -2.1
-1x = -2.1

Divide each side by '-1'.
x = 2.1

Simplifying
x = 2.1

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