12X-1=12X-21

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Solution for 12X-1=12X-21 equation: 


Simplifying
12X + -1 = 12X + -21

Reorder the terms:
-1 + 12X = 12X + -21

Reorder the terms:
-1 + 12X = -21 + 12X

Add '-12X' to each side of the equation.
-1 + 12X + -12X = -21 + 12X + -12X

Combine like terms: 12X + -12X = 0
-1 + 0 = -21 + 12X + -12X
-1 = -21 + 12X + -12X

Combine like terms: 12X + -12X = 0
-1 = -21 + 0
-1 = -21

Solving
-1 = -21

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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