(n-10)*9=81

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Solution for (n-10)*9=81 equation:


Simplifying
(n + -10) * 9 = 81

Reorder the terms:
(-10 + n) * 9 = 81

Reorder the terms for easier multiplication:
9(-10 + n) = 81
(-10 * 9 + n * 9) = 81
(-90 + 9n) = 81

Solving
-90 + 9n = 81

Solving for variable 'n'.

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

Add '90' to each side of the equation.
-90 + 90 + 9n = 81 + 90

Combine like terms: -90 + 90 = 0
0 + 9n = 81 + 90
9n = 81 + 90

Combine like terms: 81 + 90 = 171
9n = 171

Divide each side by '9'.
n = 19

Simplifying
n = 19

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