=(8+2i)-(3-7i)

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Solution for =(8+2i)-(3-7i) equation:


Simplifying
0 = (8 + 2i) + -1(3 + -7i)

Remove parenthesis around (8 + 2i)
0 = 8 + 2i + -1(3 + -7i)
0 = 8 + 2i + (3 * -1 + -7i * -1)
0 = 8 + 2i + (-3 + 7i)

Reorder the terms:
0 = 8 + -3 + 2i + 7i

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

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

Solving
0 = 5 + 9i

Solving for variable 'i'.

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

Add '-9i' to each side of the equation.
0 + -9i = 5 + 9i + -9i
Remove the zero:
-9i = 5 + 9i + -9i

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

Divide each side by '-9'.
i = -0.5555555556

Simplifying
i = -0.5555555556

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