3n+9+2n=23

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Solution for 3n+9+2n=23 equation:


Simplifying
3n + 9 + 2n = 23

Reorder the terms:
9 + 3n + 2n = 23

Combine like terms: 3n + 2n = 5n
9 + 5n = 23

Solving
9 + 5n = 23

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 + 5n = 23 + -9

Combine like terms: 9 + -9 = 0
0 + 5n = 23 + -9
5n = 23 + -9

Combine like terms: 23 + -9 = 14
5n = 14

Divide each side by '5'.
n = 2.8

Simplifying
n = 2.8

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