(9-i)+(-9+i)=

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Solution for (9-i)+(-9+i)= equation: 


Simplifying
(9 + -1i) + (-9 + i) = 0

Remove parenthesis around (9 + -1i)
9 + -1i + (-9 + i) = 0

Remove parenthesis around (-9 + i)
9 + -1i + -9 + i = 0

Reorder the terms:
9 + -9 + -1i + i = 0

Combine like terms: 9 + -9 = 0
0 + -1i + i = 0
-1i + i = 0

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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