9=n+12

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Solution for 9=n+12 equation:


Simplifying
9 = n + 12

Reorder the terms:
9 = 12 + n

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

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

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

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

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

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

Simplifying
n = -3

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