(5+7i)-(6+5i)+(10+5i)=

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Solution for (5+7i)-(6+5i)+(10+5i)= equation:


Simplifying
(5 + 7i) + -1(6 + 5i) + (10 + 5i) = 0

Remove parenthesis around (5 + 7i)
5 + 7i + -1(6 + 5i) + (10 + 5i) = 0
5 + 7i + (6 * -1 + 5i * -1) + (10 + 5i) = 0
5 + 7i + (-6 + -5i) + (10 + 5i) = 0

Remove parenthesis around (10 + 5i)
5 + 7i + -6 + -5i + 10 + 5i = 0

Reorder the terms:
5 + -6 + 10 + 7i + -5i + 5i = 0

Combine like terms: 5 + -6 = -1
-1 + 10 + 7i + -5i + 5i = 0

Combine like terms: -1 + 10 = 9
9 + 7i + -5i + 5i = 0

Combine like terms: 7i + -5i = 2i
9 + 2i + 5i = 0

Combine like terms: 2i + 5i = 7i
9 + 7i = 0

Solving
9 + 7i = 0

Solving for variable 'i'.

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

Add '-9' to each side of the equation.
9 + -9 + 7i = 0 + -9

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

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

Divide each side by '7'.
i = -1.285714286

Simplifying
i = -1.285714286

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