8-(-3+9i)-(-7-i)=

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Solution for 8-(-3+9i)-(-7-i)= equation:


Simplifying
8 + -1(-3 + 9i) + -1(-7 + -1i) = 0
8 + (-3 * -1 + 9i * -1) + -1(-7 + -1i) = 0
8 + (3 + -9i) + -1(-7 + -1i) = 0
8 + 3 + -9i + (-7 * -1 + -1i * -1) = 0
8 + 3 + -9i + (7 + 1i) = 0

Reorder the terms:
8 + 3 + 7 + -9i + 1i = 0

Combine like terms: 8 + 3 = 11
11 + 7 + -9i + 1i = 0

Combine like terms: 11 + 7 = 18
18 + -9i + 1i = 0

Combine like terms: -9i + 1i = -8i
18 + -8i = 0

Solving
18 + -8i = 0

Solving for variable 'i'.

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

Add '-18' to each side of the equation.
18 + -18 + -8i = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -8i = 0 + -18
-8i = 0 + -18

Combine like terms: 0 + -18 = -18
-8i = -18

Divide each side by '-8'.
i = 2.25

Simplifying
i = 2.25

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