x-13.9=4.2

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Solution for x-13.9=4.2 equation: 


Simplifying
x + -13.9 = 4.2

Reorder the terms:
-13.9 + x = 4.2

Solving
-13.9 + x = 4.2

Solving for variable 'x'.

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

Add '13.9' to each side of the equation.
-13.9 + 13.9 + x = 4.2 + 13.9

Combine like terms: -13.9 + 13.9 = 0.0
0.0 + x = 4.2 + 13.9
x = 4.2 + 13.9

Combine like terms: 4.2 + 13.9 = 18.1
x = 18.1

Simplifying
x = 18.1

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