9x^2-9x^2-20=0

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Solution for 9x^2-9x^2-20=0 equation: 


Simplifying
9x2 + -9x2 + -20 = 0

Reorder the terms:
-20 + 9x2 + -9x2 = 0

Combine like terms: 9x2 + -9x2 = 0
-20 + 0 = 0
-20 = 0

Solving
-20 = 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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