3n+3.9=8.7

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Solution for 3n+3.9=8.7 equation: 


Simplifying
3n + 3.9 = 8.7

Reorder the terms:
3.9 + 3n = 8.7

Solving
3.9 + 3n = 8.7

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 + 3n = 8.7 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 3n = 8.7 + -3.9
3n = 8.7 + -3.9

Combine like terms: 8.7 + -3.9 = 4.8
3n = 4.8

Divide each side by '3'.
n = 1.6

Simplifying
n = 1.6

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