-21xy-21xy=

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Solution for -21xy-21xy= equation: 


Simplifying
-21xy + -21xy = 0

Combine like terms: -21xy + -21xy = -42xy
-42xy = 0

Solving
-42xy = 0

Solving for variable 'x'.

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

Divide each side by '-42'.
xy = 0

Simplifying
xy = 0

The solution to this equation could not be determined.

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