(7-9i)-(-1+3i)=

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Solution for (7-9i)-(-1+3i)= equation:


Simplifying
(7 + -9i) + -1(-1 + 3i) = 0

Remove parenthesis around (7 + -9i)
7 + -9i + -1(-1 + 3i) = 0
7 + -9i + (-1 * -1 + 3i * -1) = 0
7 + -9i + (1 + -3i) = 0

Reorder the terms:
7 + 1 + -9i + -3i = 0

Combine like terms: 7 + 1 = 8
8 + -9i + -3i = 0

Combine like terms: -9i + -3i = -12i
8 + -12i = 0

Solving
8 + -12i = 0

Solving for variable 'i'.

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

Add '-8' to each side of the equation.
8 + -8 + -12i = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -12i = 0 + -8
-12i = 0 + -8

Combine like terms: 0 + -8 = -8
-12i = -8

Divide each side by '-12'.
i = 0.6666666667

Simplifying
i = 0.6666666667

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