9-10n=-81

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Solution for 9-10n=-81 equation: 


Simplifying
9 + -10n = -81

Solving
9 + -10n = -81

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -10n = -81 + -9

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

Combine like terms: -81 + -9 = -90
-10n = -90

Divide each side by '-10'.
n = 9

Simplifying
n = 9

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