12-n=78

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Solution for 12-n=78 equation: 


Simplifying
12 + -1n = 78

Solving
12 + -1n = 78

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + -1n = 78 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 78 + -12
-1n = 78 + -12

Combine like terms: 78 + -12 = 66
-1n = 66

Divide each side by '-1'.
n = -66

Simplifying
n = -66

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