3x+iy+4x=21-5i

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Solution for 3x+iy+4x=21-5i equation:


Simplifying
3x + iy + 4x = 21 + -5i

Reorder the terms:
iy + 3x + 4x = 21 + -5i

Combine like terms: 3x + 4x = 7x
iy + 7x = 21 + -5i

Solving
iy + 7x = 21 + -5i

Solving for variable 'i'.

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

Add '5i' to each side of the equation.
iy + 5i + 7x = 21 + -5i + 5i

Reorder the terms:
5i + iy + 7x = 21 + -5i + 5i

Combine like terms: -5i + 5i = 0
5i + iy + 7x = 21 + 0
5i + iy + 7x = 21

Add '-7x' to each side of the equation.
5i + iy + 7x + -7x = 21 + -7x

Combine like terms: 7x + -7x = 0
5i + iy + 0 = 21 + -7x
5i + iy = 21 + -7x

Reorder the terms:
-21 + 5i + iy + 7x = 21 + -7x + -21 + 7x

Reorder the terms:
-21 + 5i + iy + 7x = 21 + -21 + -7x + 7x

Combine like terms: 21 + -21 = 0
-21 + 5i + iy + 7x = 0 + -7x + 7x
-21 + 5i + iy + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
-21 + 5i + iy + 7x = 0

The solution to this equation could not be determined.

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