(10-7i)-(7+9i)=

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Solution for (10-7i)-(7+9i)= equation:


Simplifying
(10 + -7i) + -1(7 + 9i) = 0

Remove parenthesis around (10 + -7i)
10 + -7i + -1(7 + 9i) = 0
10 + -7i + (7 * -1 + 9i * -1) = 0
10 + -7i + (-7 + -9i) = 0

Reorder the terms:
10 + -7 + -7i + -9i = 0

Combine like terms: 10 + -7 = 3
3 + -7i + -9i = 0

Combine like terms: -7i + -9i = -16i
3 + -16i = 0

Solving
3 + -16i = 0

Solving for variable 'i'.

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

Add '-3' to each side of the equation.
3 + -3 + -16i = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -16i = 0 + -3
-16i = 0 + -3

Combine like terms: 0 + -3 = -3
-16i = -3

Divide each side by '-16'.
i = 0.1875

Simplifying
i = 0.1875

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