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

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


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

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

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

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

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

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

Combine like terms: 8 + 5 = 13
13 + 7 + 5i + 3i = 0

Combine like terms: 13 + 7 = 20
20 + 5i + 3i = 0

Combine like terms: 5i + 3i = 8i
20 + 8i = 0

Solving
20 + 8i = 0

Solving for variable 'i'.

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

Add '-20' to each side of the equation.
20 + -20 + 8i = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 8i = 0 + -20
8i = 0 + -20

Combine like terms: 0 + -20 = -20
8i = -20

Divide each side by '8'.
i = -2.5

Simplifying
i = -2.5

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