(10+7i)+(12-8i)=

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Solution for (10+7i)+(12-8i)= equation:


Simplifying
(10 + 7i) + (12 + -8i) = 0

Remove parenthesis around (10 + 7i)
10 + 7i + (12 + -8i) = 0

Remove parenthesis around (12 + -8i)
10 + 7i + 12 + -8i = 0

Reorder the terms:
10 + 12 + 7i + -8i = 0

Combine like terms: 10 + 12 = 22
22 + 7i + -8i = 0

Combine like terms: 7i + -8i = -1i
22 + -1i = 0

Solving
22 + -1i = 0

Solving for variable 'i'.

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

Add '-22' to each side of the equation.
22 + -22 + -1i = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -1i = 0 + -22
-1i = 0 + -22

Combine like terms: 0 + -22 = -22
-1i = -22

Divide each side by '-1'.
i = 22

Simplifying
i = 22

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