-[n-4]=15

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Solution for -[n-4]=15 equation: 


Simplifying
-1[n + -4] = 15

Reorder the terms:
-1[-4 + n] = 15
[-4 * -1 + n * -1] = 15
[4 + -1n] = 15

Solving
4 + -1n = 15

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + -1n = 15 + -4

Combine like terms: 4 + -4 = 0
0 + -1n = 15 + -4
-1n = 15 + -4

Combine like terms: 15 + -4 = 11
-1n = 11

Divide each side by '-1'.
n = -11

Simplifying
n = -11

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