(9+6i)+(4+9i)=

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Solution for (9+6i)+(4+9i)= equation:


Simplifying
(9 + 6i) + (4 + 9i) = 0

Remove parenthesis around (9 + 6i)
9 + 6i + (4 + 9i) = 0

Remove parenthesis around (4 + 9i)
9 + 6i + 4 + 9i = 0

Reorder the terms:
9 + 4 + 6i + 9i = 0

Combine like terms: 9 + 4 = 13
13 + 6i + 9i = 0

Combine like terms: 6i + 9i = 15i
13 + 15i = 0

Solving
13 + 15i = 0

Solving for variable 'i'.

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

Add '-13' to each side of the equation.
13 + -13 + 15i = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 15i = 0 + -13
15i = 0 + -13

Combine like terms: 0 + -13 = -13
15i = -13

Divide each side by '15'.
i = -0.8666666667

Simplifying
i = -0.8666666667

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