xy=3x-7y+21

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Solution for xy=3x-7y+21 equation:


Simplifying
xy = 3x + -7y + 21

Reorder the terms:
xy = 21 + 3x + -7y

Solving
xy = 21 + 3x + -7y

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-3x + xy = 21 + 3x + -3x + -7y

Combine like terms: 3x + -3x = 0
-3x + xy = 21 + 0 + -7y
-3x + xy = 21 + -7y

Reorder the terms:
-21 + -3x + xy + 7y = 21 + -7y + -21 + 7y

Reorder the terms:
-21 + -3x + xy + 7y = 21 + -21 + -7y + 7y

Combine like terms: 21 + -21 = 0
-21 + -3x + xy + 7y = 0 + -7y + 7y
-21 + -3x + xy + 7y = -7y + 7y

Combine like terms: -7y + 7y = 0
-21 + -3x + xy + 7y = 0

The solution to this equation could not be determined.

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