-9-n=9+2n

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Solution for -9-n=9+2n equation:


Simplifying
-9 + -1n = 9 + 2n

Solving
-9 + -1n = 9 + 2n

Solving for variable 'n'.

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

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

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

Combine like terms: 2n + -2n = 0
-9 + -3n = 9 + 0
-9 + -3n = 9

Add '9' to each side of the equation.
-9 + 9 + -3n = 9 + 9

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

Combine like terms: 9 + 9 = 18
-3n = 18

Divide each side by '-3'.
n = -6

Simplifying
n = -6

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