xy-4y-9=0

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Solution for xy-4y-9=0 equation:


Simplifying
xy + -4y + -9 = 0

Reorder the terms:
-9 + xy + -4y = 0

Solving
-9 + xy + -4y = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + xy + 9 + -4y = 0 + 9

Reorder the terms:
-9 + 9 + xy + -4y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + xy + -4y = 0 + 9
xy + -4y = 0 + 9

Combine like terms: 0 + 9 = 9
xy + -4y = 9

Add '4y' to each side of the equation.
xy + -4y + 4y = 9 + 4y

Combine like terms: -4y + 4y = 0
xy + 0 = 9 + 4y
xy = 9 + 4y

Divide each side by 'y'.
x = 9y-1 + 4

Simplifying
x = 9y-1 + 4

Reorder the terms:
x = 4 + 9y-1

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