(4+8i)-(-3-7i)=

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Solution for (4+8i)-(-3-7i)= equation:


Simplifying
(4 + 8i) + -1(-3 + -7i) = 0

Remove parenthesis around (4 + 8i)
4 + 8i + -1(-3 + -7i) = 0
4 + 8i + (-3 * -1 + -7i * -1) = 0
4 + 8i + (3 + 7i) = 0

Reorder the terms:
4 + 3 + 8i + 7i = 0

Combine like terms: 4 + 3 = 7
7 + 8i + 7i = 0

Combine like terms: 8i + 7i = 15i
7 + 15i = 0

Solving
7 + 15i = 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 + 15i = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 15i = 0 + -7
15i = 0 + -7

Combine like terms: 0 + -7 = -7
15i = -7

Divide each side by '15'.
i = -0.4666666667

Simplifying
i = -0.4666666667

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