-12=n-9

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Solution for -12=n-9 equation:


Simplifying
-12 = n + -9

Reorder the terms:
-12 = -9 + n

Solving
-12 = -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.
-12 + -1n = -9 + n + -1n

Combine like terms: n + -1n = 0
-12 + -1n = -9 + 0
-12 + -1n = -9

Add '12' to each side of the equation.
-12 + 12 + -1n = -9 + 12

Combine like terms: -12 + 12 = 0
0 + -1n = -9 + 12
-1n = -9 + 12

Combine like terms: -9 + 12 = 3
-1n = 3

Divide each side by '-1'.
n = -3

Simplifying
n = -3

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