8-n=12

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Solution for 8-n=12 equation: 


Simplifying
8 + -1n = 12

Solving
8 + -1n = 12

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -1n = 12 + -8

Combine like terms: 8 + -8 = 0
0 + -1n = 12 + -8
-1n = 12 + -8

Combine like terms: 12 + -8 = 4
-1n = 4

Divide each side by '-1'.
n = -4

Simplifying
n = -4

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