=3-(-6-9i)-(-7+2i)

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Solution for =3-(-6-9i)-(-7+2i) equation:


Simplifying
0 = 3 + -1(-6 + -9i) + -1(-7 + 2i)
0 = 3 + (-6 * -1 + -9i * -1) + -1(-7 + 2i)
0 = 3 + (6 + 9i) + -1(-7 + 2i)
0 = 3 + 6 + 9i + (-7 * -1 + 2i * -1)
0 = 3 + 6 + 9i + (7 + -2i)

Reorder the terms:
0 = 3 + 6 + 7 + 9i + -2i

Combine like terms: 3 + 6 = 9
0 = 9 + 7 + 9i + -2i

Combine like terms: 9 + 7 = 16
0 = 16 + 9i + -2i

Combine like terms: 9i + -2i = 7i
0 = 16 + 7i

Solving
0 = 16 + 7i

Solving for variable 'i'.

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

Add '-7i' to each side of the equation.
0 + -7i = 16 + 7i + -7i
Remove the zero:
-7i = 16 + 7i + -7i

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

Divide each side by '-7'.
i = -2.285714286

Simplifying
i = -2.285714286

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