3+9=n-2

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Solution for 3+9=n-2 equation:


Simplifying
3 + 9 = n + -2

Combine like terms: 3 + 9 = 12
12 = n + -2

Reorder the terms:
12 = -2 + n

Solving
12 = -2 + 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 = -2 + n + -1n

Combine like terms: n + -1n = 0
12 + -1n = -2 + 0
12 + -1n = -2

Add '-12' to each side of the equation.
12 + -12 + -1n = -2 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = -2 + -12
-1n = -2 + -12

Combine like terms: -2 + -12 = -14
-1n = -14

Divide each side by '-1'.
n = 14

Simplifying
n = 14

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