2.25-7.5=21

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Solution for 2.25-7.5=21 equation: 


Simplifying
2.25 + -7.5 = 21

Combine like terms: 2.25 + -7.5 = -5.25
-5.25 = 21

Solving
-5.25 = 21

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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