9+12i=4

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Solution for 9+12i=4 equation: 


Simplifying
9 + 12i = 4

Solving
9 + 12i = 4

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 + 12i = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 12i = 4 + -9
12i = 4 + -9

Combine like terms: 4 + -9 = -5
12i = -5

Divide each side by '12'.
i = -0.4166666667

Simplifying
i = -0.4166666667

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