x+12.3-5.8=20

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Solution for x+12.3-5.8=20 equation: 


Simplifying
x + 12.3 + -5.8 = 20

Reorder the terms:
12.3 + -5.8 + x = 20

Combine like terms: 12.3 + -5.8 = 6.5
6.5 + x = 20

Solving
6.5 + x = 20

Solving for variable 'x'.

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

Add '-6.5' to each side of the equation.
6.5 + -6.5 + x = 20 + -6.5

Combine like terms: 6.5 + -6.5 = 0.0
0.0 + x = 20 + -6.5
x = 20 + -6.5

Combine like terms: 20 + -6.5 = 13.5
x = 13.5

Simplifying
x = 13.5

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