=(8-2i)-(15+7i)

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Solution for =(8-2i)-(15+7i) equation:


Simplifying
0 = (8 + -2i) + -1(15 + 7i)

Remove parenthesis around (8 + -2i)
0 = 8 + -2i + -1(15 + 7i)
0 = 8 + -2i + (15 * -1 + 7i * -1)
0 = 8 + -2i + (-15 + -7i)

Reorder the terms:
0 = 8 + -15 + -2i + -7i

Combine like terms: 8 + -15 = -7
0 = -7 + -2i + -7i

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

Solving
0 = -7 + -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 = -7 + -9i + 9i
Remove the zero:
9i = -7 + -9i + 9i

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

Divide each side by '9'.
i = -0.7777777778

Simplifying
i = -0.7777777778

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