(-3i)+(3+5i)=

Solution for (-3i)+(3+5i)= equation:

Simplifying
(-3i) + (3 + 5i) = 0

Remove parenthesis around (3 + 5i)
(-3i) + 3 + 5i = 0

Reorder the terms:
3 + (-3i) + 5i = 0

Combine like terms: (-3i) + 5i = 2i
3 + 2i = 0

Solving
3 + 2i = 0

Solving for variable 'i'.

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

Add '-3' to each side of the equation.
3 + -3 + 2i = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2i = 0 + -3
2i = 0 + -3

Combine like terms: 0 + -3 = -3
2i = -3

Divide each side by '2'.
i = -1.5

Simplifying
i = -1.5