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

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


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

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

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

Combine like terms: 7 + 2 = 9
9 + -8i + -2i = 0

Combine like terms: -8i + -2i = -10i
9 + -10i = 0

Solving
9 + -10i = 0

Solving for variable 'i'.

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

Add '-9' to each side of the equation.
9 + -9 + -10i = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -10i = 0 + -9
-10i = 0 + -9

Combine like terms: 0 + -9 = -9
-10i = -9

Divide each side by '-10'.
i = 0.9

Simplifying
i = 0.9

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