81-2xn=4xn+9

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Solution for 81-2xn=4xn+9 equation:


Simplifying
81 + -2xn = 4xn + 9

Reorder the terms:
81 + -2nx = 9 + 4nx

Solving
81 + -2nx = 9 + 4nx

Solving for variable 'n'.

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

Add '-4nx' to each side of the equation.
81 + -2nx + -4nx = 9 + 4nx + -4nx

Combine like terms: -2nx + -4nx = -6nx
81 + -6nx = 9 + 4nx + -4nx

Combine like terms: 4nx + -4nx = 0
81 + -6nx = 9 + 0
81 + -6nx = 9

Add '-81' to each side of the equation.
81 + -81 + -6nx = 9 + -81

Combine like terms: 81 + -81 = 0
0 + -6nx = 9 + -81
-6nx = 9 + -81

Combine like terms: 9 + -81 = -72
-6nx = -72

Divide each side by '-6x'.
n = 12x-1

Simplifying
n = 12x-1

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