-4n-5n=9

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Solution for -4n-5n=9 equation: 


Simplifying
-4n + -5n = 9

Combine like terms: -4n + -5n = -9n
-9n = 9

Solving
-9n = 9

Solving for variable 'n'.

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

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

Simplifying
n = -1

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