6.9+1.2n=3.90

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Solution for 6.9+1.2n=3.90 equation: 


Simplifying
6.9 + 1.2n = 3.90

Solving
6.9 + 1.2n = 3.90

Solving for variable 'n'.

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

Add '-6.9' to each side of the equation.
6.9 + -6.9 + 1.2n = 3.90 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + 1.2n = 3.90 + -6.9
1.2n = 3.90 + -6.9

Combine like terms: 3.90 + -6.9 = -3
1.2n = -3

Divide each side by '1.2'.
n = -2.5

Simplifying
n = -2.5

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