(12-3I)-(5+8I)=0

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Solution for (12-3I)-(5+8I)=0 equation:


Simplifying
(12 + -3I) + -1(5 + 8I) = 0

Remove parenthesis around (12 + -3I)
12 + -3I + -1(5 + 8I) = 0
12 + -3I + (5 * -1 + 8I * -1) = 0
12 + -3I + (-5 + -8I) = 0

Reorder the terms:
12 + -5 + -3I + -8I = 0

Combine like terms: 12 + -5 = 7
7 + -3I + -8I = 0

Combine like terms: -3I + -8I = -11I
7 + -11I = 0

Solving
7 + -11I = 0

Solving for variable 'I'.

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

Add '-7' to each side of the equation.
7 + -7 + -11I = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -11I = 0 + -7
-11I = 0 + -7

Combine like terms: 0 + -7 = -7
-11I = -7

Divide each side by '-11'.
I = 0.6363636364

Simplifying
I = 0.6363636364

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