21=0.393-40

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Solution for 21=0.393-40 equation: 


Simplifying
21 = 0.393 + -40

Combine like terms: 0.393 + -40 = -39.607
21 = -39.607

Solving
21 = -39.607

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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