12z-7=-21+12z

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Solution for 12z-7=-21+12z equation: 


Simplifying
12z + -7 = -21 + 12z

Reorder the terms:
-7 + 12z = -21 + 12z

Add '-12z' to each side of the equation.
-7 + 12z + -12z = -21 + 12z + -12z

Combine like terms: 12z + -12z = 0
-7 + 0 = -21 + 12z + -12z
-7 = -21 + 12z + -12z

Combine like terms: 12z + -12z = 0
-7 = -21 + 0
-7 = -21

Solving
-7 = -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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