X+3.9=6.7

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Solution for X+3.9=6.7 equation: 


Simplifying
X + 3.9 = 6.7

Reorder the terms:
3.9 + X = 6.7

Solving
3.9 + X = 6.7

Solving for variable 'X'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + X = 6.7 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + X = 6.7 + -3.9
X = 6.7 + -3.9

Combine like terms: 6.7 + -3.9 = 2.8
X = 2.8

Simplifying
X = 2.8

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