-3(-3-i)-(2-4i)=0

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Solution for -3(-3-i)-(2-4i)=0 equation:


Simplifying
-3(-3 + -1i) + -1(2 + -4i) = 0
(-3 * -3 + -1i * -3) + -1(2 + -4i) = 0
(9 + 3i) + -1(2 + -4i) = 0
9 + 3i + (2 * -1 + -4i * -1) = 0
9 + 3i + (-2 + 4i) = 0

Reorder the terms:
9 + -2 + 3i + 4i = 0

Combine like terms: 9 + -2 = 7
7 + 3i + 4i = 0

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

Solving
7 + 7i = 0

Solving for variable 'i'.

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

Add '-7' to each side of the equation.
7 + -7 + 7i = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 7i = 0 + -7
7i = 0 + -7

Combine like terms: 0 + -7 = -7
7i = -7

Divide each side by '7'.
i = -1

Simplifying
i = -1

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