(11+8i)-(5+4i)=

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Solution for (11+8i)-(5+4i)= equation:


Simplifying
(11 + 8i) + -1(5 + 4i) = 0

Remove parenthesis around (11 + 8i)
11 + 8i + -1(5 + 4i) = 0
11 + 8i + (5 * -1 + 4i * -1) = 0
11 + 8i + (-5 + -4i) = 0

Reorder the terms:
11 + -5 + 8i + -4i = 0

Combine like terms: 11 + -5 = 6
6 + 8i + -4i = 0

Combine like terms: 8i + -4i = 4i
6 + 4i = 0

Solving
6 + 4i = 0

Solving for variable 'i'.

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

Add '-6' to each side of the equation.
6 + -6 + 4i = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 4i = 0 + -6
4i = 0 + -6

Combine like terms: 0 + -6 = -6
4i = -6

Divide each side by '4'.
i = -1.5

Simplifying
i = -1.5

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