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

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


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

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

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

Combine like terms: 7 + 3 = 10
10 + -1i + -3i = 0

Combine like terms: -1i + -3i = -4i
10 + -4i = 0

Solving
10 + -4i = 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 + -4i = 0 + -10

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

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

Divide each side by '-4'.
i = 2.5

Simplifying
i = 2.5

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