10n+81-4n-9=

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Solution for 10n+81-4n-9= equation:


Simplifying
10n + 81 + -4n + -9 = 0

Reorder the terms:
81 + -9 + 10n + -4n = 0

Combine like terms: 81 + -9 = 72
72 + 10n + -4n = 0

Combine like terms: 10n + -4n = 6n
72 + 6n = 0

Solving
72 + 6n = 0

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 + 6n = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 6n = 0 + -72
6n = 0 + -72

Combine like terms: 0 + -72 = -72
6n = -72

Divide each side by '6'.
n = -12

Simplifying
n = -12

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