3xn+9=6xn-9

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Solution for 3xn+9=6xn-9 equation:


Simplifying
3xn + 9 = 6xn + -9

Reorder the terms:
9 + 3nx = 6xn + -9

Reorder the terms:
9 + 3nx = -9 + 6nx

Solving
9 + 3nx = -9 + 6nx

Solving for variable 'n'.

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

Add '-6nx' to each side of the equation.
9 + 3nx + -6nx = -9 + 6nx + -6nx

Combine like terms: 3nx + -6nx = -3nx
9 + -3nx = -9 + 6nx + -6nx

Combine like terms: 6nx + -6nx = 0
9 + -3nx = -9 + 0
9 + -3nx = -9

Add '-9' to each side of the equation.
9 + -9 + -3nx = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -3nx = -9 + -9
-3nx = -9 + -9

Combine like terms: -9 + -9 = -18
-3nx = -18

Divide each side by '-3x'.
n = 6x-1

Simplifying
n = 6x-1

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