[n+9]=3

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Solution for [n+9]=3 equation: 


Simplifying
[n + 9] = 3

Reorder the terms:
[9 + n] = 3

Remove brackets around [9 + n]
9 + n = 3

Solving
9 + n = 3

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + n = 3 + -9

Combine like terms: 9 + -9 = 0
0 + n = 3 + -9
n = 3 + -9

Combine like terms: 3 + -9 = -6
n = -6

Simplifying
n = -6

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