z+9=z-3

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Solution for z+9=z-3 equation: 


Simplifying
z + 9 = z + -3

Reorder the terms:
9 + z = z + -3

Reorder the terms:
9 + z = -3 + z

Add '-1z' to each side of the equation.
9 + z + -1z = -3 + z + -1z

Combine like terms: z + -1z = 0
9 + 0 = -3 + z + -1z
9 = -3 + z + -1z

Combine like terms: z + -1z = 0
9 = -3 + 0
9 = -3

Solving
9 = -3

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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