(-5+7i)+(-8-9i)=0

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Solution for (-5+7i)+(-8-9i)=0 equation:


Simplifying
(-5 + 7i) + (-8 + -9i) = 0

Remove parenthesis around (-5 + 7i)
-5 + 7i + (-8 + -9i) = 0

Remove parenthesis around (-8 + -9i)
-5 + 7i + -8 + -9i = 0

Reorder the terms:
-5 + -8 + 7i + -9i = 0

Combine like terms: -5 + -8 = -13
-13 + 7i + -9i = 0

Combine like terms: 7i + -9i = -2i
-13 + -2i = 0

Solving
-13 + -2i = 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 + -2i = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -2i = 0 + 13
-2i = 0 + 13

Combine like terms: 0 + 13 = 13
-2i = 13

Divide each side by '-2'.
i = -6.5

Simplifying
i = -6.5

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