(8-I)-(4+I)=0

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Solution for (8-I)-(4+I)=0 equation:


Simplifying
(8 + -1I) + -1(4 + I) = 0

Remove parenthesis around (8 + -1I)
8 + -1I + -1(4 + I) = 0
8 + -1I + (4 * -1 + I * -1) = 0
8 + -1I + (-4 + -1I) = 0

Reorder the terms:
8 + -4 + -1I + -1I = 0

Combine like terms: 8 + -4 = 4
4 + -1I + -1I = 0

Combine like terms: -1I + -1I = -2I
4 + -2I = 0

Solving
4 + -2I = 0

Solving for variable 'I'.

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

Add '-4' to each side of the equation.
4 + -4 + -2I = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -2I = 0 + -4
-2I = 0 + -4

Combine like terms: 0 + -4 = -4
-2I = -4

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

Simplifying
I = 2

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