Iz-1I+Iz+1I=4

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Solution for Iz-1I+Iz+1I=4 equation: 


Simplifying
Iz + -1I + Iz + 1I = 4

Reorder the terms:
-1I + 1I + zI + zI = 4

Combine like terms: -1I + 1I = 0
0 + zI + zI = 4
zI + zI = 4

Combine like terms: zI + zI = 2zI
2zI = 4

Solving
2zI = 4

Solving for variable 'z'.

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

Divide each side by '2I'.
z = 2I-1

Simplifying
z = 2I-1

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