n+n+3=23

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Solution for n+n+3=23 equation: 


Simplifying
n + n + 3 = 23

Reorder the terms:
3 + n + n = 23

Combine like terms: n + n = 2n
3 + 2n = 23

Solving
3 + 2n = 23

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 2n = 23 + -3

Combine like terms: 3 + -3 = 0
0 + 2n = 23 + -3
2n = 23 + -3

Combine like terms: 23 + -3 = 20
2n = 20

Divide each side by '2'.
n = 10

Simplifying
n = 10

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