12n=12n+9

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Solution for 12n=12n+9 equation: 


Simplifying
12n = 12n + 9

Reorder the terms:
12n = 9 + 12n

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

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

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

Solving
0 = 9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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