(6-5i)+(9+7i)=

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Solution for (6-5i)+(9+7i)= equation:


Simplifying
(6 + -5i) + (9 + 7i) = 0

Remove parenthesis around (6 + -5i)
6 + -5i + (9 + 7i) = 0

Remove parenthesis around (9 + 7i)
6 + -5i + 9 + 7i = 0

Reorder the terms:
6 + 9 + -5i + 7i = 0

Combine like terms: 6 + 9 = 15
15 + -5i + 7i = 0

Combine like terms: -5i + 7i = 2i
15 + 2i = 0

Solving
15 + 2i = 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 + 2i = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 2i = 0 + -15
2i = 0 + -15

Combine like terms: 0 + -15 = -15
2i = -15

Divide each side by '2'.
i = -7.5

Simplifying
i = -7.5

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