xy+9=0

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Solution for xy+9=0 equation: 


Simplifying
xy + 9 = 0

Reorder the terms:
9 + xy = 0

Solving
9 + xy = 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 + -9 + xy = 0 + -9

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

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

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

Simplifying
x = -9y-1

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