X-3.9=4.7

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Solution for X-3.9=4.7 equation: 


Simplifying
X + -3.9 = 4.7

Reorder the terms:
-3.9 + X = 4.7

Solving
-3.9 + X = 4.7

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 = 4.7 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + X = 4.7 + 3.9
X = 4.7 + 3.9

Combine like terms: 4.7 + 3.9 = 8.6
X = 8.6

Simplifying
X = 8.6

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