(8+7i)-(-4-10i)=

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Solution for (8+7i)-(-4-10i)= equation:


Simplifying
(8 + 7i) + -1(-4 + -10i) = 0

Remove parenthesis around (8 + 7i)
8 + 7i + -1(-4 + -10i) = 0
8 + 7i + (-4 * -1 + -10i * -1) = 0
8 + 7i + (4 + 10i) = 0

Reorder the terms:
8 + 4 + 7i + 10i = 0

Combine like terms: 8 + 4 = 12
12 + 7i + 10i = 0

Combine like terms: 7i + 10i = 17i
12 + 17i = 0

Solving
12 + 17i = 0

Solving for variable 'i'.

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

Add '-12' to each side of the equation.
12 + -12 + 17i = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 17i = 0 + -12
17i = 0 + -12

Combine like terms: 0 + -12 = -12
17i = -12

Divide each side by '17'.
i = -0.7058823529

Simplifying
i = -0.7058823529

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