15-7i=78

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Solution for 15-7i=78 equation: 


Simplifying
15 + -7i = 78

Solving
15 + -7i = 78

Solving for variable 'i'.

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

Add '-15' to each side of the equation.
15 + -15 + -7i = 78 + -15

Combine like terms: 15 + -15 = 0
0 + -7i = 78 + -15
-7i = 78 + -15

Combine like terms: 78 + -15 = 63
-7i = 63

Divide each side by '-7'.
i = -9

Simplifying
i = -9

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