(n-9)*8=40

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Solution for (n-9)*8=40 equation:


Simplifying
(n + -9) * 8 = 40

Reorder the terms:
(-9 + n) * 8 = 40

Reorder the terms for easier multiplication:
8(-9 + n) = 40
(-9 * 8 + n * 8) = 40
(-72 + 8n) = 40

Solving
-72 + 8n = 40

Solving for variable 'n'.

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

Add '72' to each side of the equation.
-72 + 72 + 8n = 40 + 72

Combine like terms: -72 + 72 = 0
0 + 8n = 40 + 72
8n = 40 + 72

Combine like terms: 40 + 72 = 112
8n = 112

Divide each side by '8'.
n = 14

Simplifying
n = 14

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