(-7i)+(2i)-(-2-4i)=

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Solution for (-7i)+(2i)-(-2-4i)= equation:


Simplifying
(-7i) + (2i) + -1(-2 + -4i) = 0
(-7i) + (2i) + (-2 * -1 + -4i * -1) = 0
(-7i) + (2i) + (2 + 4i) = 0

Reorder the terms:
2 + (-7i) + (2i) + 4i = 0

Combine like terms: (-7i) + (2i) = -5i
2 + -5i + 4i = 0

Combine like terms: -5i + 4i = -1i
2 + -1i = 0

Solving
2 + -1i = 0

Solving for variable 'i'.

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

Add '-2' to each side of the equation.
2 + -2 + -1i = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1i = 0 + -2
-1i = 0 + -2

Combine like terms: 0 + -2 = -2
-1i = -2

Divide each side by '-1'.
i = 2

Simplifying
i = 2

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