(5-2i)-(3-7i)=

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Solution for (5-2i)-(3-7i)= equation:


Simplifying
(5 + -2i) + -1(3 + -7i) = 0

Remove parenthesis around (5 + -2i)
5 + -2i + -1(3 + -7i) = 0
5 + -2i + (3 * -1 + -7i * -1) = 0
5 + -2i + (-3 + 7i) = 0

Reorder the terms:
5 + -3 + -2i + 7i = 0

Combine like terms: 5 + -3 = 2
2 + -2i + 7i = 0

Combine like terms: -2i + 7i = 5i
2 + 5i = 0

Solving
2 + 5i = 0

Solving for variable 'i'.

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

Add '-2' to each side of the equation.
2 + -2 + 5i = 0 + -2

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

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

Divide each side by '5'.
i = -0.4

Simplifying
i = -0.4

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