(7+2i)+(2+3i)=

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Solution for (7+2i)+(2+3i)= equation:


Simplifying
(7 + 2i) + (2 + 3i) = 0

Remove parenthesis around (7 + 2i)
7 + 2i + (2 + 3i) = 0

Remove parenthesis around (2 + 3i)
7 + 2i + 2 + 3i = 0

Reorder the terms:
7 + 2 + 2i + 3i = 0

Combine like terms: 7 + 2 = 9
9 + 2i + 3i = 0

Combine like terms: 2i + 3i = 5i
9 + 5i = 0

Solving
9 + 5i = 0

Solving for variable 'i'.

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

Add '-9' to each side of the equation.
9 + -9 + 5i = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 5i = 0 + -9
5i = 0 + -9

Combine like terms: 0 + -9 = -9
5i = -9

Divide each side by '5'.
i = -1.8

Simplifying
i = -1.8

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