(n-9)*9=18

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Solution for (n-9)*9=18 equation:


Simplifying
(n + -9) * 9 = 18

Reorder the terms:
(-9 + n) * 9 = 18

Reorder the terms for easier multiplication:
9(-9 + n) = 18
(-9 * 9 + n * 9) = 18
(-81 + 9n) = 18

Solving
-81 + 9n = 18

Solving for variable 'n'.

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

Add '81' to each side of the equation.
-81 + 81 + 9n = 18 + 81

Combine like terms: -81 + 81 = 0
0 + 9n = 18 + 81
9n = 18 + 81

Combine like terms: 18 + 81 = 99
9n = 99

Divide each side by '9'.
n = 11

Simplifying
n = 11

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