[-2-7]=0

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Solution for [-2-7]=0 equation: 


Simplifying
[-2 + -7] = 0

Combine like terms: -2 + -7 = -9
[-9] = 0
-9 = 0

Solving
-9 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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