100-78.5=

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Solution for 100-78.5= equation: 


Simplifying
100 + -78.5 = 0

Combine like terms: 100 + -78.5 = 21.5
21.5 = 0

Solving
21.5 = 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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