(7+3i)+(-9-8i)=

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Solution for (7+3i)+(-9-8i)= equation:


Simplifying
(7 + 3i) + (-9 + -8i) = 0

Remove parenthesis around (7 + 3i)
7 + 3i + (-9 + -8i) = 0

Remove parenthesis around (-9 + -8i)
7 + 3i + -9 + -8i = 0

Reorder the terms:
7 + -9 + 3i + -8i = 0

Combine like terms: 7 + -9 = -2
-2 + 3i + -8i = 0

Combine like terms: 3i + -8i = -5i
-2 + -5i = 0

Solving
-2 + -5i = 0

Solving for variable 'i'.

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

Add '2' to each side of the equation.
-2 + 2 + -5i = 0 + 2

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

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

Divide each side by '-5'.
i = -0.4

Simplifying
i = -0.4

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