0.5=21-3

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Solution for 0.5=21-3 equation: 


Simplifying
0.5 = 21 + -3

Combine like terms: 21 + -3 = 18
0.5 = 18

Solving
0.5 = 18

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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