-[n-2]=5

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Solution for -[n-2]=5 equation: 


Simplifying
-1[n + -2] = 5

Reorder the terms:
-1[-2 + n] = 5
[-2 * -1 + n * -1] = 5
[2 + -1n] = 5

Solving
2 + -1n = 5

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + -1n = 5 + -2

Combine like terms: 2 + -2 = 0
0 + -1n = 5 + -2
-1n = 5 + -2

Combine like terms: 5 + -2 = 3
-1n = 3

Divide each side by '-1'.
n = -3

Simplifying
n = -3

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