z-40=z

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Solution for z-40=z equation: 


Simplifying
z + -40 = z

Reorder the terms:
-40 + z = z

Add '-1z' to each side of the equation.
-40 + z + -1z = z + -1z

Combine like terms: z + -1z = 0
-40 + 0 = z + -1z
-40 = z + -1z

Combine like terms: z + -1z = 0
-40 = 0

Solving
-40 = 0

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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