9n=10n-9

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Solution for 9n=10n-9 equation: 


Simplifying
9n = 10n + -9

Reorder the terms:
9n = -9 + 10n

Solving
9n = -9 + 10n

Solving for variable 'n'.

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

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

Combine like terms: 9n + -10n = -1n
-1n = -9 + 10n + -10n

Combine like terms: 10n + -10n = 0
-1n = -9 + 0
-1n = -9

Divide each side by '-1'.
n = 9

Simplifying
n = 9

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