(8-5i)-(-7-4i)=0

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Solution for (8-5i)-(-7-4i)=0 equation:


Simplifying
(8 + -5i) + -1(-7 + -4i) = 0

Remove parenthesis around (8 + -5i)
8 + -5i + -1(-7 + -4i) = 0
8 + -5i + (-7 * -1 + -4i * -1) = 0
8 + -5i + (7 + 4i) = 0

Reorder the terms:
8 + 7 + -5i + 4i = 0

Combine like terms: 8 + 7 = 15
15 + -5i + 4i = 0

Combine like terms: -5i + 4i = -1i
15 + -1i = 0

Solving
15 + -1i = 0

Solving for variable 'i'.

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

Add '-15' to each side of the equation.
15 + -15 + -1i = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1i = 0 + -15
-1i = 0 + -15

Combine like terms: 0 + -15 = -15
-1i = -15

Divide each side by '-1'.
i = 15

Simplifying
i = 15

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