(8+4i)-(9-3i)=

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Solution for (8+4i)-(9-3i)= equation:


Simplifying
(8 + 4i) + -1(9 + -3i) = 0

Remove parenthesis around (8 + 4i)
8 + 4i + -1(9 + -3i) = 0
8 + 4i + (9 * -1 + -3i * -1) = 0
8 + 4i + (-9 + 3i) = 0

Reorder the terms:
8 + -9 + 4i + 3i = 0

Combine like terms: 8 + -9 = -1
-1 + 4i + 3i = 0

Combine like terms: 4i + 3i = 7i
-1 + 7i = 0

Solving
-1 + 7i = 0

Solving for variable 'i'.

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

Add '1' to each side of the equation.
-1 + 1 + 7i = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 7i = 0 + 1
7i = 0 + 1

Combine like terms: 0 + 1 = 1
7i = 1

Divide each side by '7'.
i = 0.1428571429

Simplifying
i = 0.1428571429

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