2.6+0.9=-(-n-2.1)

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Solution for 2.6+0.9=-(-n-2.1) equation: 


Simplifying
2.6 + 0.9 = -1(-1n + -2.1)

Combine like terms: 2.6 + 0.9 = 3.5
3.5 = -1(-1n + -2.1)

Reorder the terms:
3.5 = -1(-2.1 + -1n)
3.5 = (-2.1 * -1 + -1n * -1)
3.5 = (2.1 + 1n)

Solving
3.5 = 2.1 + 1n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
3.5 + -1n = 2.1 + 1n + -1n

Combine like terms: 1n + -1n = 0
3.5 + -1n = 2.1 + 0
3.5 + -1n = 2.1

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -1n = 2.1 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -1n = 2.1 + -3.5
-1n = 2.1 + -3.5

Combine like terms: 2.1 + -3.5 = -1.4
-1n = -1.4

Divide each side by '-1'.
n = 1.4

Simplifying
n = 1.4

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