(6+5i)+(7-4i)=

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Solution for (6+5i)+(7-4i)= equation:


Simplifying
(6 + 5i) + (7 + -4i) = 0

Remove parenthesis around (6 + 5i)
6 + 5i + (7 + -4i) = 0

Remove parenthesis around (7 + -4i)
6 + 5i + 7 + -4i = 0

Reorder the terms:
6 + 7 + 5i + -4i = 0

Combine like terms: 6 + 7 = 13
13 + 5i + -4i = 0

Combine like terms: 5i + -4i = 1i
13 + 1i = 0

Solving
13 + 1i = 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 + 1i = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 1i = 0 + -13
1i = 0 + -13

Combine like terms: 0 + -13 = -13
1i = -13

Divide each side by '1'.
i = -13

Simplifying
i = -13

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