(4+8i)+(9-7i)=

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Solution for (4+8i)+(9-7i)= equation:


Simplifying
(4 + 8i) + (9 + -7i) = 0

Remove parenthesis around (4 + 8i)
4 + 8i + (9 + -7i) = 0

Remove parenthesis around (9 + -7i)
4 + 8i + 9 + -7i = 0

Reorder the terms:
4 + 9 + 8i + -7i = 0

Combine like terms: 4 + 9 = 13
13 + 8i + -7i = 0

Combine like terms: 8i + -7i = 1i
13 + 1i = 0

Solving
13 + 1i = 0

Solving for variable 'i'.

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

Add '-13' to each side of the equation.
13 + -13 + 1i = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 1i = 0 + -13
1i = 0 + -13

Combine like terms: 0 + -13 = -13
1i = -13

Divide each side by '1'.
i = -13

Simplifying
i = -13

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