5+(4+n)=5+(3+4)

Solution for 5+(4+n)=5+(3+4) equation:

Simplifying
5 + (4 + n) = 5 + (3 + 4)

Remove parenthesis around (4 + n)
5 + 4 + n = 5 + (3 + 4)

Combine like terms: 5 + 4 = 9
9 + n = 5 + (3 + 4)

Combine like terms: 3 + 4 = 7
9 + n = 5 + (7)
9 + n = 5 + 7

Combine like terms: 5 + 7 = 12
9 + n = 12

Solving
9 + n = 12

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 = 12 + -9

Combine like terms: 9 + -9 = 0
0 + n = 12 + -9
n = 12 + -9

Combine like terms: 12 + -9 = 3
n = 3

Simplifying
n = 3