3n+20.39=12.2

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Solution for 3n+20.39=12.2 equation: 


Simplifying
3n + 20.39 = 12.2

Reorder the terms:
20.39 + 3n = 12.2

Solving
20.39 + 3n = 12.2

Solving for variable 'n'.

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

Add '-20.39' to each side of the equation.
20.39 + -20.39 + 3n = 12.2 + -20.39

Combine like terms: 20.39 + -20.39 = 0.00
0.00 + 3n = 12.2 + -20.39
3n = 12.2 + -20.39

Combine like terms: 12.2 + -20.39 = -8.19
3n = -8.19

Divide each side by '3'.
n = -2.73

Simplifying
n = -2.73

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