2n-6+12=9

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Solution for 2n-6+12=9 equation: 


Simplifying
2n + -6 + 12 = 9

Reorder the terms:
-6 + 12 + 2n = 9

Combine like terms: -6 + 12 = 6
6 + 2n = 9

Solving
6 + 2n = 9

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 9 + -6
2n = 9 + -6

Combine like terms: 9 + -6 = 3
2n = 3

Divide each side by '2'.
n = 1.5

Simplifying
n = 1.5

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