x-20.9=30.8

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Solution for x-20.9=30.8 equation: 


Simplifying
x + -20.9 = 30.8

Reorder the terms:
-20.9 + x = 30.8

Solving
-20.9 + x = 30.8

Solving for variable 'x'.

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

Add '20.9' to each side of the equation.
-20.9 + 20.9 + x = 30.8 + 20.9

Combine like terms: -20.9 + 20.9 = 0.0
0.0 + x = 30.8 + 20.9
x = 30.8 + 20.9

Combine like terms: 30.8 + 20.9 = 51.7
x = 51.7

Simplifying
x = 51.7

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