(n-9)*9=72

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Solution for (n-9)*9=72 equation:


Simplifying
(n + -9) * 9 = 72

Reorder the terms:
(-9 + n) * 9 = 72

Reorder the terms for easier multiplication:
9(-9 + n) = 72
(-9 * 9 + n * 9) = 72
(-81 + 9n) = 72

Solving
-81 + 9n = 72

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 = 72 + 81

Combine like terms: -81 + 81 = 0
0 + 9n = 72 + 81
9n = 72 + 81

Combine like terms: 72 + 81 = 153
9n = 153

Divide each side by '9'.
n = 17

Simplifying
n = 17

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