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

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


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

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

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

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

Combine like terms: 7 + 7 = 14
14 + 5i + -8i = 0

Combine like terms: 5i + -8i = -3i
14 + -3i = 0

Solving
14 + -3i = 0

Solving for variable 'i'.

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

Add '-14' to each side of the equation.
14 + -14 + -3i = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -3i = 0 + -14
-3i = 0 + -14

Combine like terms: 0 + -14 = -14
-3i = -14

Divide each side by '-3'.
i = 4.666666667

Simplifying
i = 4.666666667

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