3x+7y-21=10xy+-21

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Solution for 3x+7y-21=10xy+-21 equation:


Simplifying
3x + 7y + -21 = 10xy + -21

Reorder the terms:
-21 + 3x + 7y = 10xy + -21

Reorder the terms:
-21 + 3x + 7y = -21 + 10xy

Add '21' to each side of the equation.
-21 + 3x + 21 + 7y = -21 + 21 + 10xy

Reorder the terms:
-21 + 21 + 3x + 7y = -21 + 21 + 10xy

Combine like terms: -21 + 21 = 0
0 + 3x + 7y = -21 + 21 + 10xy
3x + 7y = -21 + 21 + 10xy

Combine like terms: -21 + 21 = 0
3x + 7y = 0 + 10xy
3x + 7y = 10xy

Solving
3x + 7y = 10xy

Solving for variable 'x'.

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

Add '-10xy' to each side of the equation.
3x + -10xy + 7y = 10xy + -10xy

Combine like terms: 10xy + -10xy = 0
3x + -10xy + 7y = 0

Add '-7y' to each side of the equation.
3x + -10xy + 7y + -7y = 0 + -7y

Combine like terms: 7y + -7y = 0
3x + -10xy + 0 = 0 + -7y
3x + -10xy = 0 + -7y
Remove the zero:
3x + -10xy = -7y

Combine like terms: -7y + 7y = 0
3x + -10xy + 7y = 0

The solution to this equation could not be determined.

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