(7+5i)+(-4+2i)=0

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Solution for (7+5i)+(-4+2i)=0 equation:


Simplifying
(7 + 5i) + (-4 + 2i) = 0

Remove parenthesis around (7 + 5i)
7 + 5i + (-4 + 2i) = 0

Remove parenthesis around (-4 + 2i)
7 + 5i + -4 + 2i = 0

Reorder the terms:
7 + -4 + 5i + 2i = 0

Combine like terms: 7 + -4 = 3
3 + 5i + 2i = 0

Combine like terms: 5i + 2i = 7i
3 + 7i = 0

Solving
3 + 7i = 0

Solving for variable 'i'.

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

Add '-3' to each side of the equation.
3 + -3 + 7i = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7i = 0 + -3
7i = 0 + -3

Combine like terms: 0 + -3 = -3
7i = -3

Divide each side by '7'.
i = -0.4285714286

Simplifying
i = -0.4285714286

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