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

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

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

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

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

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

Combine like terms: -5 + 6 = 1
1 + 4i + 7i = 0

Combine like terms: 4i + 7i = 11i
1 + 11i = 0

Solving
1 + 11i = 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 + 11i = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 11i = 0 + -1
11i = 0 + -1

Combine like terms: 0 + -1 = -1
11i = -1

Divide each side by '11'.
i = -0.09090909091

Simplifying
i = -0.09090909091