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

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


Simplifying
(7 + 3i) + -1(-4 + i) = 0

Remove parenthesis around (7 + 3i)
7 + 3i + -1(-4 + i) = 0
7 + 3i + (-4 * -1 + i * -1) = 0
7 + 3i + (4 + -1i) = 0

Reorder the terms:
7 + 4 + 3i + -1i = 0

Combine like terms: 7 + 4 = 11
11 + 3i + -1i = 0

Combine like terms: 3i + -1i = 2i
11 + 2i = 0

Solving
11 + 2i = 0

Solving for variable 'i'.

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

Add '-11' to each side of the equation.
11 + -11 + 2i = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 2i = 0 + -11
2i = 0 + -11

Combine like terms: 0 + -11 = -11
2i = -11

Divide each side by '2'.
i = -5.5

Simplifying
i = -5.5

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