n+3.9=0.9

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Solution for n+3.9=0.9 equation: 


Simplifying
n + 3.9 = 0.9

Reorder the terms:
3.9 + n = 0.9

Solving
3.9 + n = 0.9

Solving for variable 'n'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + n = 0.9 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + n = 0.9 + -3.9
n = 0.9 + -3.9

Combine like terms: 0.9 + -3.9 = -3
n = -3

Simplifying
n = -3

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