9-8n=-10n-9

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Solution for 9-8n=-10n-9 equation: 


Simplifying
9 + -8n = -10n + -9

Reorder the terms:
9 + -8n = -9 + -10n

Solving
9 + -8n = -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.
9 + -8n + 10n = -9 + -10n + 10n

Combine like terms: -8n + 10n = 2n
9 + 2n = -9 + -10n + 10n

Combine like terms: -10n + 10n = 0
9 + 2n = -9 + 0
9 + 2n = -9

Add '-9' to each side of the equation.
9 + -9 + 2n = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = -9 + -9
2n = -9 + -9

Combine like terms: -9 + -9 = -18
2n = -18

Divide each side by '2'.
n = -9

Simplifying
n = -9

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