(9+4i)-(5+13i)=

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Solution for (9+4i)-(5+13i)= equation:


Simplifying
(9 + 4i) + -1(5 + 13i) = 0

Remove parenthesis around (9 + 4i)
9 + 4i + -1(5 + 13i) = 0
9 + 4i + (5 * -1 + 13i * -1) = 0
9 + 4i + (-5 + -13i) = 0

Reorder the terms:
9 + -5 + 4i + -13i = 0

Combine like terms: 9 + -5 = 4
4 + 4i + -13i = 0

Combine like terms: 4i + -13i = -9i
4 + -9i = 0

Solving
4 + -9i = 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 + -9i = 0 + -4

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

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

Divide each side by '-9'.
i = 0.4444444444

Simplifying
i = 0.4444444444

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