(4-5i)+(8+2i)=

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Solution for (4-5i)+(8+2i)= equation:


Simplifying
(4 + -5i) + (8 + 2i) = 0

Remove parenthesis around (4 + -5i)
4 + -5i + (8 + 2i) = 0

Remove parenthesis around (8 + 2i)
4 + -5i + 8 + 2i = 0

Reorder the terms:
4 + 8 + -5i + 2i = 0

Combine like terms: 4 + 8 = 12
12 + -5i + 2i = 0

Combine like terms: -5i + 2i = -3i
12 + -3i = 0

Solving
12 + -3i = 0

Solving for variable 'i'.

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

Add '-12' to each side of the equation.
12 + -12 + -3i = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3i = 0 + -12
-3i = 0 + -12

Combine like terms: 0 + -12 = -12
-3i = -12

Divide each side by '-3'.
i = 4

Simplifying
i = 4

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