(-9xy)-(-7xy)=

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Solution for (-9xy)-(-7xy)= equation: 


Simplifying
(-9xy) + -1(-7xy) = 0

Remove parenthesis around (-7xy)
(-9xy) + -1 * -7xy = 0

Multiply -1 * -7
(-9xy) + 7xy = 0

Combine like terms: (-9xy) + 7xy = -2xy
-2xy = 0

Solving
-2xy = 0

Solving for variable 'x'.

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

Divide each side by '-2'.
xy = 0

Simplifying
xy = 0

The solution to this equation could not be determined.

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