(7-3i)+(9i-3)=

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Solution for (7-3i)+(9i-3)= equation:


Simplifying
(7 + -3i) + (9i + -3) = 0

Remove parenthesis around (7 + -3i)
7 + -3i + (9i + -3) = 0

Reorder the terms:
7 + -3i + (-3 + 9i) = 0

Remove parenthesis around (-3 + 9i)
7 + -3i + -3 + 9i = 0

Reorder the terms:
7 + -3 + -3i + 9i = 0

Combine like terms: 7 + -3 = 4
4 + -3i + 9i = 0

Combine like terms: -3i + 9i = 6i
4 + 6i = 0

Solving
4 + 6i = 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 + 6i = 0 + -4

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

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

Divide each side by '6'.
i = -0.6666666667

Simplifying
i = -0.6666666667

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