9+n-2=12

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Solution for 9+n-2=12 equation: 


Simplifying
9 + n + -2 = 12

Reorder the terms:
9 + -2 + n = 12

Combine like terms: 9 + -2 = 7
7 + n = 12

Solving
7 + n = 12

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + n = 12 + -7

Combine like terms: 7 + -7 = 0
0 + n = 12 + -7
n = 12 + -7

Combine like terms: 12 + -7 = 5
n = 5

Simplifying
n = 5

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