z+-4=z+-7

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Solution for z+-4=z+-7 equation: 


Simplifying
z + -4 = z + -7

Reorder the terms:
-4 + z = z + -7

Reorder the terms:
-4 + z = -7 + z

Add '-1z' to each side of the equation.
-4 + z + -1z = -7 + z + -1z

Combine like terms: z + -1z = 0
-4 + 0 = -7 + z + -1z
-4 = -7 + z + -1z

Combine like terms: z + -1z = 0
-4 = -7 + 0
-4 = -7

Solving
-4 = -7

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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