(18-3i)-(5+8i)=

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Solution for (18-3i)-(5+8i)= equation:


Simplifying
(18 + -3i) + -1(5 + 8i) = 0

Remove parenthesis around (18 + -3i)
18 + -3i + -1(5 + 8i) = 0
18 + -3i + (5 * -1 + 8i * -1) = 0
18 + -3i + (-5 + -8i) = 0

Reorder the terms:
18 + -5 + -3i + -8i = 0

Combine like terms: 18 + -5 = 13
13 + -3i + -8i = 0

Combine like terms: -3i + -8i = -11i
13 + -11i = 0

Solving
13 + -11i = 0

Solving for variable 'i'.

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

Add '-13' to each side of the equation.
13 + -13 + -11i = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -11i = 0 + -13
-11i = 0 + -13

Combine like terms: 0 + -13 = -13
-11i = -13

Divide each side by '-11'.
i = 1.181818182

Simplifying
i = 1.181818182

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