(4+9i)+(5-8i)=

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Solution for (4+9i)+(5-8i)= equation:


Simplifying
(4 + 9i) + (5 + -8i) = 0

Remove parenthesis around (4 + 9i)
4 + 9i + (5 + -8i) = 0

Remove parenthesis around (5 + -8i)
4 + 9i + 5 + -8i = 0

Reorder the terms:
4 + 5 + 9i + -8i = 0

Combine like terms: 4 + 5 = 9
9 + 9i + -8i = 0

Combine like terms: 9i + -8i = 1i
9 + 1i = 0

Solving
9 + 1i = 0

Solving for variable 'i'.

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

Add '-9' to each side of the equation.
9 + -9 + 1i = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1i = 0 + -9
1i = 0 + -9

Combine like terms: 0 + -9 = -9
1i = -9

Divide each side by '1'.
i = -9

Simplifying
i = -9

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