xy+7y-3x-21=

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


Simplifying
xy + 7y + -3x + -21 = 0

Reorder the terms:
-21 + -3x + xy + 7y = 0

Solving
-21 + -3x + xy + 7y = 0

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + -3x + xy + 21 + 7y = 0 + 21

Reorder the terms:
-21 + 21 + -3x + xy + 7y = 0 + 21

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

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

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

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