(7+5i)+(8-3i)=

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Solution for (7+5i)+(8-3i)= equation:


Simplifying
(7 + 5i) + (8 + -3i) = 0

Remove parenthesis around (7 + 5i)
7 + 5i + (8 + -3i) = 0

Remove parenthesis around (8 + -3i)
7 + 5i + 8 + -3i = 0

Reorder the terms:
7 + 8 + 5i + -3i = 0

Combine like terms: 7 + 8 = 15
15 + 5i + -3i = 0

Combine like terms: 5i + -3i = 2i
15 + 2i = 0

Solving
15 + 2i = 0

Solving for variable 'i'.

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

Add '-15' to each side of the equation.
15 + -15 + 2i = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 2i = 0 + -15
2i = 0 + -15

Combine like terms: 0 + -15 = -15
2i = -15

Divide each side by '2'.
i = -7.5

Simplifying
i = -7.5

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