z^21-1=0

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Solution for z^21-1=0 equation:


Simplifying
z21 + -1 = 0

Reorder the terms:
-1 + z21 = 0

Solving
-1 + z21 = 0

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + z21 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + z21 = 0 + 1
z21 = 0 + 1

Combine like terms: 0 + 1 = 1
z21 = 1

Simplifying
z21 = 1

Reorder the terms:
-1 + z21 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + z21 = 0

The solution to this equation could not be determined.

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