X+1.2=3.9

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Solution for X+1.2=3.9 equation: 


Simplifying
X + 1.2 = 3.9

Reorder the terms:
1.2 + X = 3.9

Solving
1.2 + X = 3.9

Solving for variable 'X'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + X = 3.9 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + X = 3.9 + -1.2
X = 3.9 + -1.2

Combine like terms: 3.9 + -1.2 = 2.7
X = 2.7

Simplifying
X = 2.7

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