xy-9=-7

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Solution for xy-9=-7 equation: 


Simplifying
xy + -9 = -7

Reorder the terms:
-9 + xy = -7

Solving
-9 + xy = -7

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 = -7 + 9

Combine like terms: -9 + 9 = 0
0 + xy = -7 + 9
xy = -7 + 9

Combine like terms: -7 + 9 = 2
xy = 2

Divide each side by 'y'.
x = 2y-1

Simplifying
x = 2y-1

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