X-4.2=3.8

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Solution for X-4.2=3.8 equation: 


Simplifying
X + -4.2 = 3.8

Reorder the terms:
-4.2 + X = 3.8

Solving
-4.2 + X = 3.8

Solving for variable 'X'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + X = 3.8 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + X = 3.8 + 4.2
X = 3.8 + 4.2

Combine like terms: 3.8 + 4.2 = 8
X = 8

Simplifying
X = 8

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