9+12=3x+4yi

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Solution for 9+12=3x+4yi equation: 


Simplifying
9 + 12 = 3x + 4yi

Combine like terms: 9 + 12 = 21
21 = 3x + 4yi

Reorder the terms:
21 = 4iy + 3x

Solving
21 = 4iy + 3x

Solving for variable 'i'.

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

Add '-4iy' to each side of the equation.
21 + -4iy = 4iy + -4iy + 3x

Combine like terms: 4iy + -4iy = 0
21 + -4iy = 0 + 3x
21 + -4iy = 3x

Add '-21' to each side of the equation.
21 + -21 + -4iy = -21 + 3x

Combine like terms: 21 + -21 = 0
0 + -4iy = -21 + 3x
-4iy = -21 + 3x

Divide each side by '-4y'.
i = 5.25y-1 + -0.75xy-1

Simplifying
i = 5.25y-1 + -0.75xy-1

Reorder the terms:
i = -0.75xy-1 + 5.25y-1

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