xy-4=4y+8

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Solution for xy-4=4y+8 equation: 


Simplifying
xy + -4 = 4y + 8

Reorder the terms:
-4 + xy = 4y + 8

Reorder the terms:
-4 + xy = 8 + 4y

Solving
-4 + xy = 8 + 4y

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + xy = 8 + 4 + 4y

Combine like terms: -4 + 4 = 0
0 + xy = 8 + 4 + 4y
xy = 8 + 4 + 4y

Combine like terms: 8 + 4 = 12
xy = 12 + 4y

Divide each side by 'y'.
x = 12y-1 + 4

Simplifying
x = 12y-1 + 4

Reorder the terms:
x = 4 + 12y-1

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