(7-3i)-(4-5i)=

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Solution for (7-3i)-(4-5i)= equation:


Simplifying
(7 + -3i) + -1(4 + -5i) = 0

Remove parenthesis around (7 + -3i)
7 + -3i + -1(4 + -5i) = 0
7 + -3i + (4 * -1 + -5i * -1) = 0
7 + -3i + (-4 + 5i) = 0

Reorder the terms:
7 + -4 + -3i + 5i = 0

Combine like terms: 7 + -4 = 3
3 + -3i + 5i = 0

Combine like terms: -3i + 5i = 2i
3 + 2i = 0

Solving
3 + 2i = 0

Solving for variable 'i'.

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

Add '-3' to each side of the equation.
3 + -3 + 2i = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2i = 0 + -3
2i = 0 + -3

Combine like terms: 0 + -3 = -3
2i = -3

Divide each side by '2'.
i = -1.5

Simplifying
i = -1.5

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