9i-(13+7i)=

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Solution for 9i-(13+7i)= equation:


Simplifying
9i + -1(13 + 7i) = 0
9i + (13 * -1 + 7i * -1) = 0
9i + (-13 + -7i) = 0

Reorder the terms:
-13 + 9i + -7i = 0

Combine like terms: 9i + -7i = 2i
-13 + 2i = 0

Solving
-13 + 2i = 0

Solving for variable 'i'.

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

Add '13' to each side of the equation.
-13 + 13 + 2i = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 2i = 0 + 13
2i = 0 + 13

Combine like terms: 0 + 13 = 13
2i = 13

Divide each side by '2'.
i = 6.5

Simplifying
i = 6.5

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