5+(3+n)=12

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Solution for 5+(3+n)=12 equation: 


Simplifying
5 + (3 + n) = 12

Remove parenthesis around (3 + n)
5 + 3 + n = 12

Combine like terms: 5 + 3 = 8
8 + n = 12

Solving
8 + n = 12

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + n = 12 + -8

Combine like terms: 8 + -8 = 0
0 + n = 12 + -8
n = 12 + -8

Combine like terms: 12 + -8 = 4
n = 4

Simplifying
n = 4

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