9+2n=39

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Solution for 9+2n=39 equation: 


Simplifying
9 + 2n = 39

Solving
9 + 2n = 39

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 + 2n = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = 39 + -9
2n = 39 + -9

Combine like terms: 39 + -9 = 30
2n = 30

Divide each side by '2'.
n = 15

Simplifying
n = 15

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