(7-i)-(8+3i)=

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Solution for (7-i)-(8+3i)= equation:


Simplifying
(7 + -1i) + -1(8 + 3i) = 0

Remove parenthesis around (7 + -1i)
7 + -1i + -1(8 + 3i) = 0
7 + -1i + (8 * -1 + 3i * -1) = 0
7 + -1i + (-8 + -3i) = 0

Reorder the terms:
7 + -8 + -1i + -3i = 0

Combine like terms: 7 + -8 = -1
-1 + -1i + -3i = 0

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

Solving
-1 + -4i = 0

Solving for variable 'i'.

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

Add '1' to each side of the equation.
-1 + 1 + -4i = 0 + 1

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

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

Divide each side by '-4'.
i = -0.25

Simplifying
i = -0.25

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