X+3.8=12.8

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Solution for X+3.8=12.8 equation: 


Simplifying
X + 3.8 = 12.8

Reorder the terms:
3.8 + X = 12.8

Solving
3.8 + X = 12.8

Solving for variable 'X'.

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

Add '-3.8' to each side of the equation.
3.8 + -3.8 + X = 12.8 + -3.8

Combine like terms: 3.8 + -3.8 = 0.0
0.0 + X = 12.8 + -3.8
X = 12.8 + -3.8

Combine like terms: 12.8 + -3.8 = 9
X = 9

Simplifying
X = 9

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