[n-4]=3

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Solution for [n-4]=3 equation: 


Simplifying
[n + -4] = 3

Reorder the terms:
[-4 + n] = 3

Remove brackets around [-4 + n]
-4 + n = 3

Solving
-4 + n = 3

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 + n = 3 + 4

Combine like terms: -4 + 4 = 0
0 + n = 3 + 4
n = 3 + 4

Combine like terms: 3 + 4 = 7
n = 7

Simplifying
n = 7

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