xy=a-b

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Solution for xy=a-b equation: 


Simplifying
xy = a + -1b

Solving
xy = a + -1b

Solving for variable 'x'.

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

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

Simplifying
x = ay-1 + -1by-1

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