(18-4i)-(7-11i)=

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Solution for (18-4i)-(7-11i)= equation:


Simplifying
(18 + -4i) + -1(7 + -11i) = 0

Remove parenthesis around (18 + -4i)
18 + -4i + -1(7 + -11i) = 0
18 + -4i + (7 * -1 + -11i * -1) = 0
18 + -4i + (-7 + 11i) = 0

Reorder the terms:
18 + -7 + -4i + 11i = 0

Combine like terms: 18 + -7 = 11
11 + -4i + 11i = 0

Combine like terms: -4i + 11i = 7i
11 + 7i = 0

Solving
11 + 7i = 0

Solving for variable 'i'.

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

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

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

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

Divide each side by '7'.
i = -1.571428571

Simplifying
i = -1.571428571

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