xy-6=15

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Solution for xy-6=15 equation: 


Simplifying
xy + -6 = 15

Reorder the terms:
-6 + xy = 15

Solving
-6 + xy = 15

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + xy = 15 + 6

Combine like terms: -6 + 6 = 0
0 + xy = 15 + 6
xy = 15 + 6

Combine like terms: 15 + 6 = 21
xy = 21

Divide each side by 'y'.
x = 21y-1

Simplifying
x = 21y-1

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