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

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


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

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

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

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

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

Solving
-3 + -4i = 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 + -4i = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4i = 0 + 3
-4i = 0 + 3

Combine like terms: 0 + 3 = 3
-4i = 3

Divide each side by '-4'.
i = -0.75

Simplifying
i = -0.75

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