-2n=n-9

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Solution for -2n=n-9 equation: 


Simplifying
-2n = n + -9

Reorder the terms:
-2n = -9 + n

Solving
-2n = -9 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-2n + -1n = -9 + n + -1n

Combine like terms: -2n + -1n = -3n
-3n = -9 + n + -1n

Combine like terms: n + -1n = 0
-3n = -9 + 0
-3n = -9

Divide each side by '-3'.
n = 3

Simplifying
n = 3

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