81=9*n

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Solution for 81=9*n equation:


Simplifying
81 = 9n

Solving
81 = 9n

Solving for variable 'n'.

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

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

Combine like terms: 9n + -9n = 0
81 + -9n = 0

Add '-81' to each side of the equation.
81 + -81 + -9n = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -9n = 0 + -81
-9n = 0 + -81

Combine like terms: 0 + -81 = -81
-9n = -81

Divide each side by '-9'.
n = 9

Simplifying
n = 9

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