X+4.2=11.9

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Solution for X+4.2=11.9 equation: 


Simplifying
X + 4.2 = 11.9

Reorder the terms:
4.2 + X = 11.9

Solving
4.2 + X = 11.9

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 = 11.9 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + X = 11.9 + -4.2
X = 11.9 + -4.2

Combine like terms: 11.9 + -4.2 = 7.7
X = 7.7

Simplifying
X = 7.7

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