2n+-1=-12.4

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Solution for 2n+-1=-12.4 equation: 


Simplifying
2n + -1 = -12.4

Reorder the terms:
-1 + 2n = -12.4

Solving
-1 + 2n = -12.4

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 2n = -12.4 + 1

Combine like terms: -1 + 1 = 0
0 + 2n = -12.4 + 1
2n = -12.4 + 1

Combine like terms: -12.4 + 1 = -11.4
2n = -11.4

Divide each side by '2'.
n = -5.7

Simplifying
n = -5.7

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