(-7+4i)-(4-8i)=

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Solution for (-7+4i)-(4-8i)= equation:


Simplifying
(-7 + 4i) + -1(4 + -8i) = 0

Remove parenthesis around (-7 + 4i)
-7 + 4i + -1(4 + -8i) = 0
-7 + 4i + (4 * -1 + -8i * -1) = 0
-7 + 4i + (-4 + 8i) = 0

Reorder the terms:
-7 + -4 + 4i + 8i = 0

Combine like terms: -7 + -4 = -11
-11 + 4i + 8i = 0

Combine like terms: 4i + 8i = 12i
-11 + 12i = 0

Solving
-11 + 12i = 0

Solving for variable 'i'.

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

Add '11' to each side of the equation.
-11 + 11 + 12i = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 12i = 0 + 11
12i = 0 + 11

Combine like terms: 0 + 11 = 11
12i = 11

Divide each side by '12'.
i = 0.9166666667

Simplifying
i = 0.9166666667

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