(5-7i)-(8+2i)=

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Solution for (5-7i)-(8+2i)= equation:


Simplifying
(5 + -7i) + -1(8 + 2i) = 0

Remove parenthesis around (5 + -7i)
5 + -7i + -1(8 + 2i) = 0
5 + -7i + (8 * -1 + 2i * -1) = 0
5 + -7i + (-8 + -2i) = 0

Reorder the terms:
5 + -8 + -7i + -2i = 0

Combine like terms: 5 + -8 = -3
-3 + -7i + -2i = 0

Combine like terms: -7i + -2i = -9i
-3 + -9i = 0

Solving
-3 + -9i = 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 + -9i = 0 + 3

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

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

Divide each side by '-9'.
i = -0.3333333333

Simplifying
i = -0.3333333333

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