(3+4i)+(7-2i)=

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Solution for (3+4i)+(7-2i)= equation:


Simplifying
(3 + 4i) + (7 + -2i) = 0

Remove parenthesis around (3 + 4i)
3 + 4i + (7 + -2i) = 0

Remove parenthesis around (7 + -2i)
3 + 4i + 7 + -2i = 0

Reorder the terms:
3 + 7 + 4i + -2i = 0

Combine like terms: 3 + 7 = 10
10 + 4i + -2i = 0

Combine like terms: 4i + -2i = 2i
10 + 2i = 0

Solving
10 + 2i = 0

Solving for variable 'i'.

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

Add '-10' to each side of the equation.
10 + -10 + 2i = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2i = 0 + -10
2i = 0 + -10

Combine like terms: 0 + -10 = -10
2i = -10

Divide each side by '2'.
i = -5

Simplifying
i = -5

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